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Find f'(x) for f(x) = −8x^2 − 5x − 4. A.) −16x − 5 B.) −16x − 4 C.) 16x + 5 D.) None of these
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Find f'(x) for f(x) = −8x^2 − 5x − 4. A.) −16x − 5 B.) −16x − 4 C.) 16x + 5 D.) None of these
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Nov 22, 2018
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Find f'(x) for f(x) = −8x^2 − 5x − 4.
A.) −16x − 5
B.) −16x − 4
C.) 16x + 5
D.) None of these
Mathematics
high-school
Bogd
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d/dx of -8x^2 - 5x - 4
So, use the power rule: -8 * d/dx (x^2) this means (x^n)' = n * x^n-1
So -8*2x
-5 * d/dx (x) = -5 * 1
So -5
d/dx of 4 is 0, because 4 is a costant.
Final result
-16x - 5
Realsim
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Nov 26, 2018
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