Answered

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Find the derivative of f(x) = 4x + 7 at x = 5.

Sagot :

twistedreams15

Answer:

4 or x=3

Step-by-step explanation:

The power rule is  

( d /d x )  x *n = n x *n − 1

I just used the power rule to solve

or

4x=5+7

Simplify  5+7  to  12

4x=12

Divide both sides by 4

x=12/4

Simplify 12/4 to 3

x=3

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