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Grade 12 Pre Calculus Questions asked by Filo students

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Name: Hour: Problem \#2: Heather, from Example 1, speaks to the salesperson at the music store who suggests that she buy the guitar on the installment plan. It requires a

15%

down payment. The remainder, plus an additional finance charge, is paid back on a monthly basis for the next two years. The monthly payment is \ 88.75$. What is the finance charge?

Topic:

Basics of Pre Calculus

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Views: 5,792

O POLVNOMELL AND RATONAL FUNCTIONS Graphing a rational function: Constant over linear Graph the rational function.

f (x) = \frac{- 3}{x - 2}

Start by drawing the vertical and horizontal asymptotes. Then plot two points on each piece of the graph. Finally, click on the graph-a button.

Topic:

Functions & Graphs

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Views: 5,823

Graphing a rational function: Constant over linear Graph the rational function.

f (x) = \frac{- 4}{- x + 2}

Start by drawing the vertical and horizontal asymptotes. Then plot two points on each piece of the graph. Finally, click on the graph-a-function button.

Topic:

Functions & Graphs

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Views: 5,568

Score on last try: 0 of 6 pts. See Details for more.

$>$ Next question $⇄$ Get a similar question You can retry this question below
Solve for the Surface Area of the triangular pyramid.
'Hint: The 3 faces are the same (congruent) and the base is an equilateral triangle (all sides of bose are equat).
Surface Area = $y d^{2}$

Topic:

Basics of Pre Calculus

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Views: 5,553

The surface area is given for each 3-D object. To the nearest tenth of a unit, determine the missing dimension.

S A = 5520 mm^{2}

mm

Topic:

Basics of Pre Calculus

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Views: 5,600

The graph of one complete period of a trig function is given. Write an eq. that represents the curve.

$y = 3 sin (4 x)$
$y = 3 sin (\frac{1}{4} x)$
$y = 3 sin (\frac{1}{2} x)$
$y = \frac{1}{2} sin (3 x)$
NOA

Topic:

Trigonometry & Its Applications

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Views: 5,805

The graph of one complete period of a trig function is. Write an equation that represents the curve

$y = \frac{- 3}{4} cos (4 x)$
$y = - 2 sin (4 x)$
$y = 2 cos (2 x)$
$y = csc (4 x)$
NOA

Topic:

Trigonometry & Its Applications

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Views: 5,749

The graph of one complete period of a trig function is. Write an equation that represents the curve

$y = 2 sec (x)$
$y = 2 sin^{- 1} (x)$
$y = 2 cos^{- 1} (x)$
$y = 2 csc^{- 1} (x)$
NOA

Topic:

Trigonometry & Its Applications

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Views: 5,225

Determine the perimeter and area of the shape shown below. (Both rounded regions are semicircles.) Perimeter: inches Area: square inches Use the

π

button on your calculator to make sure your answer is as accurate as possible. Round your answer to the nearest hundredth as needed. Question Help: Dideo M Message instructor stibmit Question Low-power charger connected Battery charoing may be unrelioble:

Topic:

Basics of Pre Calculus

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Question 10

Views: 5,833

Consider the following;

f (x) = {- 3 x, x ⩽ 4 x^{2} - 8 x + 3 x > 4.

x

-value at which

f

is not contimars. Is the discontimity removable.

Topic:

Limits and Continuity

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Question 11

Views: 5,756

- Part 1: Evaluate the limit Suppose

f (x) = {x^{2} + 6 x + 16, x - 3

Evaluate the following limits (with a function of

x

in the first answer blank and the value of the limit in the second answer blank) and evatiate the tunction. a.

lim_{x \to - 3^{-}} f (x) = lim_{x \to - 3^{-}}

lim_{x \to - 3^{+}} f (x) = lim_{x \to - 3^{+}}

f (- 3) =

Part 2: Continuity

Topic:

Basics of Pre Calculus

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Question 12

Views: 5,952

The table below shows the number of survey subjects who have received and not received a speeding ticket in the last year, and the color of their cars. Find the following percents rounded to the nearesth thousandth of a percent.

Percent that has a red car.
Percent that got a speeding ticket.
What percent of those that have a red car got a speeding ticket.
What percent of those who got a speeding ticket have a red car.
Percent that have a red car and got a speeding ticket.
Percent that have a red car or got a speeding ticket.

Topic:

Basics of Pre Calculus

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Question 13

Views: 5,796

Inflation is running 1-12, fw your wen $500.0

Topic:

Functions & Graphs

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Question 14

Views: 6,026

Felix Nguyen Write Equation Given Linear Situation Feb 12, 9:12:14 PM Brayden just lit a new candle and then let it burn all the way down to nothing. The candle burned at a rate of

0.75

inches per hour and its initial length was 6 inches. Write an equation for

L

t

, representing the length of the candle remaining unburned, in inches,

t

hours after the candle was lit.

Topic:

Functions & Graphs

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Question 15

Views: 5,104

(1 point) Given the graph of

y = f (x)

, as shown above: 1. What is the domain of

f (x)

? 2. What is the range of

f (x)

Topic:

Basics of Pre Calculus

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Question 16

Views: 5,737

Find the correlation coefficient,

r

, of the data described below. Marco thinks that text messaging is causing him to talk less on the phone. For one month, he examined his text message and call logs with his closest friends. For each friend, Marco checked the number of text messages he sent to that friend,

x

, and the number of minutes they spoke on the phone,

y

. Round your answer to the nearest thousandth.

Topic:

Functions & Graphs

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Question 17

Views: 5,081

Giving the position function

X (t) = 3 t^{2} + 2 t

, what is the acceleration when

t = 3

? Please only enter a number. Do not enter any unit.

Topic:

Basics of Pre Calculus

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Question 18

Views: 5,096

Previous Problem Problem List Next Problem (1 point) Find the square root of 4 -i so that the real part of your answer is positive. The square root is

1.961 + 0.395 i

Preview My Answers Submit Answers You have attempted this problem 30 times. Your overall recorded score is

0%

Topic:

Basics of Pre Calculus

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Question 19

Views: 5,607

(1 point) Evaluate the given limits using the graph of the function

f (x) = \frac{- 1}{( x - 5 ) ( x - 7 ) ^{2}}

shown above. Enter infinity for

α

- \infty

, or DNE it the lent does not evit, but is nether oc nor

- \infty

. If you are having a hard time seeing the picture claarly, cick on the picture. it will expand to a laper picture on its own page so that you can inipect it more clably.

$lim_{x \to 5^{-}} f (x) =$
$lim_{x \to 5^{+}} f (x) =$
$lim_{x \to 5} f (x) =$
$lim_{x \to 7^{-}} f (x) =$

Topic:

Basics of Pre Calculus

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Question 20

Views: 5,573

(1 point) Evaluate the given limits using the graph of the function

f (x) = \frac{- 1}{( x - 5 ) ( x - 7 ) ^{2}}

shown above. Enter Infinity for

\infty

, -Infinity for

- \infty

, or DNE if the limit does not exist, but is neither

\infty

- \infty

. If you are having a hard time seeing the picture clearly, click on the picture. It will expand to a larger picture on its own pago so that you can inspoct it more clearly

$lim_{x \to 5^{-}} f (x) =$
$lim_{x \to 5^{+}} f (x) =$
$lim_{x \to 5} f (x) =$
$lim_{x \to 7 -} f (x) =$
$lim_{x \to 7^{+}} f (x) =$

Topic:

Basics of Pre Calculus

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