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16-11-2021
Mathematics

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f(x)=-x^2+9x+4f(x)=−x2+9x+4\text{Find }f(-8)Find f(−8)

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tots070110 tots070110

17-11-2021

Answer:

-74

Step-by-step explanation:

f(x) = -2x^2 +8x -10

Let x = -4

f(-4) = -2 ( -4)^2 +8(-4) -10

= -2(16) -32-10

= -32 -32-10

= -74

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