Calculus Easy 10 points?

Question

1. The general antiderivative of (5 + 6x)^11 is

A. (5+ 6x)^12 / 2 + c

B. (5 + 6x)^12 / 12 + c

C. (5 + 6x)^10 / 2 + c

D. (5 + 6x)^12 / 72 + c

2. Find the solution of the differential equation dy/dx = 6x^2 - 7 = 20, when x = 0

A. y = 2x^3 - 7x

B. y = 2x^3 - 7x + 20

C. y = 2x^3 -7x + 10

D. y = 2x - 7x + 5

3. Find the most general solution of the differential equation d^2 s / dt^2 = 32; given that s = 4 ds/dt = 2 when t =0

A. s = 16t^2 + 2t - 4

B. s = 16t^2 + 2

C. s = 16t^2 + 2t + 4

D. s = 16t^2 + 2t + 2

Answer 1

(1).

The option D is correct.

Answer 2

(2).

The option B is correct.

Answer 3

(3).

The option C is correct.