pls answer questions 9-11 :)

Question 9 0/1 pt @ Details For the function y = f (z), find f (a) using Equation 3.4. f (z) = 5x +2; a=-3 f' (a) Question Help: B VIDEO Message instructor D Post to forum Question 10 0/1 pt @ Details For the function y = f (x), find f (a) using Equation 3.4. f (x) = x2 + 5x - 5; a =-2 f (a) Question Help: B Read Message instructor D Post to forum Question 11 C0/1 pt @ Details For the function y = f (x), find f (a) using Equation 3.4. f (z) = Vx+3; a=1 f' (a) = Question Help: B VIDEO Message instructor D Post to forum