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musickatia [10]
2 years ago
9

Please help me quick !! Will mark whoever is first brainliest.

Mathematics
1 answer:
kvv77 [185]2 years ago
5 0

Answer: C. y = 4x - 1

Step-by-step explanation:

pls mark brainiest!!

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The profits in hundreds of dollars, P(c), that a company can make from a product is modeled by a function of the price, c, they
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The maximum profit is the y-coordinate of the vertex of the parabola represented by the equation.

P(c)=-20c^2+320c+5120 \\ \\
a=-20 \\
b=320 \\ \\
\hbox{the vertex } (h,k): \\
h=\frac{-b}{2a}=\frac{-320}{2 \times (-20)}=\frac{-320}{-40}=8 \\
k=f(h)=f(8)=-20 \times 8^2+320 \times 8+5120= \\
=-1280+2560+5120=6400

The maximum value is 6400, but the profit is given in hundreds of dollars, so multiply the value by 100.

The maximum profit the company can make is $640,000.
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3 years ago
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Svet_ta [14]

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a) x^2-x-20\\

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Step-by-step explanation:

If you have any questions feel free to ask in the comments - Mark

sorry for the terrible answer

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