- Submitted By: JoyceBanks
- Date Submitted: 03/30/2016 10:43 PM
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MA 105 Spoiltgenius Week 8 Assignment

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QUESTION 1

Select the correct description of right-hand and left-hand behavior of the graph of the

polynomial function.

Rises to the left, falls to the right

Rises to the right, rises to the left

Falls to the left, rises to the right

Falls to the right

QUESTION 2

Select the correct description of right-hand and left-hand behavior of the graph of the

polynomial function.

f(x) = 4×2 – 5x + 4

Falls to the left, rises to the right

Falls to the left, falls to the right

Rises to the left, rises to the right

Rises to the left, falls to the right

Falls to the left

QUESTION 3

Find all the real zeroes of the polynomial function.

f(x) = x2 – 25

-25

5

-5

25

±5

QUESTION 4

Use synthetic division to divide.

(4×3 + x2 – 11x + 6) ÷ (x + 2)

4×2 – 5x – 6

4×2 – 7x + 3

4×2 – 2x – 2

4×2 + 5x – 12

4×2 + 7x – 4

QUESTION 5

Use the Remainder Theorem and synthetic division to find the function value. Verify

your answers using another method.

h(x) = x3 – 6×2 – 5x + 7

h(-8)

-849

-847

-851

-848

-845

QUESTION 6

Find all the rational zeroes of the function.

x3 – 12×2 + 41x – 42

-2, -3, -7

2, 3, 7

2, -3, 7

-2, 3, 7

-2, 3, -7

QUESTION 7

The total revenue R earned (in thousands of dollars) from manufacturing handheld video

games is given by

R(p) = -25p2 + 1700p

where p is the price per unit (in dollars).

Find the unit price that will yield a maximum revenue.

$38

$35

$36

$37

$34

QUESTION 8

Find the domain of the function

Domain: all real numbers x except x = 7

Domain: all real numbers x except x = ±49

Domain: all real numbers x except x = ±8

Domain: all real numbers x except x = -7

Domain: all real numbers x except x = ±7

QUESTION 9

Find the domain of the function and identify any vertical and horizontal asymptotes.

Domain: all real numbers x

Vertical asymptote: x = 0

Horizontal asymptote: y = 0...

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