.
6. If f'(x) = e* (x - 1)(x + 2), what are the critical number(s) of f(x)?
A) -2,0, 1
B) 0
C) -2 and 1
D) -2
E) None of these provide all the critical numbers of f(x)
7. Find the indefinite integral: f 12x¹ dx
x +7
(A) 3 In In x + 7 + C
(B) 3 In In 4x³ + C
(C) In In |4x³+ C
(D) In In x + 7 + C
(E) The integral does not exist.