Function Operations

Question 1

f(x) = x + 2 g(x) = x – 4(f g)(x) =

Revolt · Accepted Answer

x2 – 2x – 8

Question 2

Question 2

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2

Question 3

Evaluate 3h(2) + 2k(3) = .

Revolt · Accepted Answer

17

Question 4

mc001-1.jpg

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Answer image: //media.edgenuity.com/EVresources/3111-02-02-20-03-task/mc001-3.jpg

Question 5

(rs)(4) =

Revolt · Accepted Answer

8

Question 6

h(x) = x2 + 1 k(x) = x – 2(h + k)(2) =

Revolt · Accepted Answer

5

Question 7

All real numbers

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Answer image: //media.edgenuity.com/EVresources/3111-02-02-20-06-task/mc001-1.jpg

Question 8

Select the graph that shows the correct sum.

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Answer image: //media.edgenuity.com/EVresources/3111-02-02-20-07-task/mc001-2.jpg

Question 9

A company makes and sells charm bracelets. The cost of producing x bracelets is represented by the function C(x) = 180 + 8x. The revenue earned from selling x bracelets is represented by the function R(x) = 20x. Write and simplify a function P that represents the profit made from selling x bracelets.How many bracelets must the company sell to break even?

Revolt · Accepted Answer

To find the profit function, subtract the cost function from the revenue function: P(x) = R(x) - C(x). Step 1: P(x) = 20x - (180 + 8x) Step 2: P(x) = 20x - 180 - 8x Step 3: P(x) = 12x - 180 To find the breakeven point, set P(x) to zero: 0 = 12x - 180 180 = 12x x = 15 The company must sell 15 bracelets to break even.

Question 10

(h – k)(3) =

Revolt · Accepted Answer

9

Function Operations Answers

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