The answer is the last option!
17’
6x+4=-11
6x=-15
X=-15/6
X=-2.5
Answer:
70 is answer
Step-by-step explanation:
Given that a function in x is

we have to find f'(7)
we know by derivative rule derivative of a function is

For finding out at 7 we replace x by 7

=
So f'(7) = 70
answer is 70