Some values of a linear function are shown in this table: х
y
2
4
3
6.5
4
4
9
5
11.5
What is the rate of change of this function?
O A. -2.5
O B. 2.5
O C. 1.625
D. -1.625

the function of this answer b

constant acceleration- a

constant velocity- c

no velocity or acceleration- b

explanation:

for body moving with a constant acceleration, the rate of change of displacement changes over time. this is proven by the increasing gradient of the curve (a) against time.

a body that is moving at constant velocity covers equal distances over equal periods of time, thus the straight line with a constant gradient c.

a stationary body   covers no displacement as time elapses. thus the flat line with   zero gradient.