AnswersAZ-Common Core Algebra II APrecision in Measurement

Function Operations Answers

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27
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(h – k)(3) =

Answer:

9

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

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17

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

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5

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All real numbers

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35

All real numbers

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36

Select the graph that shows the correct sum.

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38

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?

Answer:

P(x) = 12x - 180; the company must sell 15 bracelets to break even.

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What steps did you include in your solution?

A
Profit is revenue minus cost. P(x) = R(x) – C(x) or P(x) = 20x – (180 + 8x)
B
Distribute and combine like terms.P(x) = 12x – 180
C
The breakeven point is when P(x) = 0. 0 = 12x – 180 180 = 12x x = 15
D
They must sell 15 bracelets to break even.

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