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Find f '(-3), if f(x) = (2x2 - 7x

Find f '(-3), if f(x) = (2x2 - 7x
asked 189k views
1 vote
Find f '(-3), if f(x) = (2x2 - 7x

asked
User Varun Kumar
by
7.0k points

1 Answer

2 votes

Answer:

f'(- 3) = - 19

Explanation:

Differentiate using the power rule


(d)/(dx)(a
x^(n)) = na
x^(n-1)

Given

f(x) = 2x² - 7x, then

f'(x) = 4x - 7 and

f'(- 3) = 4(- 3) - 7 = - 12 - 7 = - 19

answered
User Nschoe
by
7.6k points
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