229k views
4 votes
For f(x) = -5x +9, find f'(15)

User Walls
by
7.5k points

1 Answer

1 vote
f(x) =-5x+9
f(x) =-5(15)+9
f(x) =- 75+9
f(x)=-66
your answer is -66 :)
User Suan
by
7.9k points