Step-by-step explanation:
Given: 
Derivative of a power function
:

Therefore,

Answer:
X= -0.1290 (bar line on top of the 90)
Hope this helps!
Step-by-step explanation:
Answer:
What do i do???
Step-by-step explanation:
Answer:Feel my shirt. Know what it’s made of? Boyfriend material.” :)
Step-by-step explanation: