The rate at which veloity changes over time is known as -
question 7 options:

a. speed

b. acceleration

c. newton

d.
force

B. acceleration

Step-by-step explanation:

Given:

A. speed which is said to be distance traveled per unit of time.

B. acceleration is said to be rate at which velocity changes over time.

C.  Newton is a unit for Force.

D. force is said to be the push or pull on an object with mass that causes it to change velocity(acceleration)

a) t'(-3, 6) and v'(0, 3)  

step-by-step explanation:

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.