The slope of a function at a point is the value of its derivative there.
... f'(x) = 5·(2x) + 0 = 10x . . . . . . using the power rule: (d/dx)(xⁿ) = n·xⁿ⁻¹
Then
... f'(4) = 10·4 = 40 . . . . . the slope at x=4
Answer:
B.!
Step-by-step explanation:
HAVE AN SUPER DAY!
Answer: 
Step-by-step explanation:
Given
Elisa run a total of 
miles on Saturday and Sunday.
If she runs 
miles on Saturday
Then, distance traveled on Sunday is given by
it provided a way for his army to escape westward in the event of a Korean invasion of the North China Plain
