please assist with these two questions

Section 4.4 #

23. The velocity of a car after t seconds is 75 - 3t^2 feet per second. (a) How many seconds does it take for the car to come to a stop (velocity = 0)? (b) How far does the car travel while coming to a stop? (c) How many seconds does it take the car to travel half the distance in part (b)?

Section 4.5

In problems 13 - 33, verify that F(x) is an antiderivative of the integrand f(x) and use Part 2 of the Fundamental Theorem to evaluate the definite integrals.

1 dx , F X = In( x + 2 X