No links please, PLEASE HELP NOW!!! I just don’t understand how to do this problem

(A) Find the velocity and acceleration as functions of t.

Velocity, in meters per second at time t: _

Acceleration, in meters per second, per second, at time t: _

(B) Find the acceleration after 1 second.

Acceleration, in meters per second, per second, after 1 second: _

(C) Find the acceleration at the instant when the velocity is 0.

Acceleration, in meters per second, per second: _

Below in bold.

Step-by-step explanation:

(A). s = (1/3)t^3 - 3t^2 + 9t + 7

To find the velocity at time t we find the derivative:

V = ds/dt = 3*1/3 t^2 - 3*2t + 9

V = t^2 - 6t + 9,

Acceleration is found by finding the derivative of the velocity:

A = 2t - 6.

(B). Acceleration after 1 second = 2(1) - 8

= -6 ms^-2.

(C).  When V = 0

acceleration = 0 ms^-1.

y-1700=200(x+4)

step-by-step explanation:

200(x+4) is 200x + 800 she is saving 200 per week x is the weeks and the -1700 is. us that’s howmuch she already had

ok

step-by-step explanation: