Solve the problem. Suppose that an object's acceleration function is given by a(t) = 4t + 7. The object's initial velocity, v(0), is 5, and the object's initial position, s(0), is 6. Find s(t). A s(t) = t3 + t2 + 5t + 6 B s(t) = 13 + Z +2 + 5t s(t) = 2t2 + 7t + 5 D s(t) = 13 + 12 + 6t + 5