Question

need help on attachment

Answer 1

Take the derivative of the function, then equal that to the value of the function in 4 minus the values of the function in two the whole thing divided by two.

Answer 2

4. 10/3

( f(4)-f(2) )/2 = 7
When f ' (x) = 7, x = 3/10

A plot of the first derivative between x=2 and x=4 is attached.

Answer 3

Still not sure how you got your answer

Answer 4

how are you getting 3/10?