Function Operations Answers
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Select the graph that shows the correct sum.
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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 – 180C
The breakeven point is when P(x) = 0. 0 = 12x – 180 180 = 12x x = 15D
They must sell 15 bracelets to break even.24
f(x) = x2 + 1 g(x) = 5 – x(f + g)(x) =
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x2 + x – 4B
x2 + x + 4C
x2 – x + 6D
x2 + x + 625
(f – g)(x) =
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x2 + x – 4B
x2 + x + 4C
x2 – x + 6D
x2 + x + 6Did you find these answers helpful?
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