How to find instantaneous rate of change for f ( x ) = x <mrow class="MJX-TeXA

oleifere45 2022-06-25 Answered
How to find instantaneous rate of change for f ( x ) = x 2 + 3 x + 4 when x=4?
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Answers (2)

Elianna Douglas
Answered 2022-06-26 Author has 23 answers
Explanation:
This is just the value of f'(x) at x = 4
f'(x) = 2x + 3
and f'(4) = 2(4) + 3 = 8 + 3 = 11
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Kapalci
Answered 2022-06-27 Author has 9 answers
Given:
x 2 + 3 x + 4 , x = 4
d d x ( x 2 + 3 x + 4 ) = 2 x + 3
x=4
( d d x ( x 2 + 3 x + 4 ) ) | ( x = 4 ) = ( 2 x + 3 ) | ( x = 4 ) = 11
f ( x ) = x 2 + 3 x + 4 at x=4 is 1
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