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Determine the value(s) of x where the function will have an instantaneous rate of change of -8. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)x3 18 x2 - 8 x - 36f(x)

Question
Determine the value(s) of x where the function will have an instantaneous rate of change of -8. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)
x3 18 x2 - 8 x - 36
f(x)
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Determine the value(s) of x where the function will have an instantaneous rate of change of -8. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) x3 18 x2 - 8 x - 36 f(x)

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Step 1

Given that, the instantaneous rate of change is –8. That is, f ′ (x) = &ndas...

df d
(x3
dx dx
+18x2-8x-36
f(x)= 3x2 +36x -8
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df d (x3 dx dx +18x2-8x-36 f(x)= 3x2 +36x -8

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