Posted by HELP MEE PLEASE on .
Evaluate each of the following. Show all your calculations.
f′ (3/4)if f(x) = −3x^3 − 7x^2 + 4x − 11

calculus 
Reiny,
again, what is so difficult here?
f ' (x) = 9x^2  14x + 4
f ' (3/4) = 9(9/16)  14(3/4) + 4
= 185/16
after finding a common denominator of 16 and combining the fractions