Need some help no these. Please indicate which answer.

Question 1 1 pts If f(x) = -4x2 + 4, what is the derivative of f(x) equals to? 8x O -8x O 16x+4 O - 8x+4 Question 2 1 pts If f(x) = 9x3 - 6x2 + 9, what is the derivative of f(x) equals to? O 27x2 - 12x O 27x2 - 12x + 9 O 18x2 - 12 O 27x2 - 12x2 Question 3 1 pts If f(x) = (2x + 4)(5x + 2), what is the derivative of f(x) equals to? O (2x+4)+(5x+2) O 2(2x+4)-5(5x+2) O 2(2x+4)+ 5(5x+2) 5(2x+4) + 2(5x+2) Question 4 1 pts If f (x) = -4*, what is the derivative of f(x)? (4-4x) (2x+6) O 4x (2x+6) (4) ( 2 x+ 6 ) O 24 (2 x+6 ) Question 5 1 pts If f(x) = (6x2 + 3x)2, what is the derivative of f(x) equals to? O (6x2 + 3x)(12x + 3) O 2(6x2 + 3x)(12x + 3) O 2(6x2 + 3x) O 12x + 3