Choose the answer that best describes the relationship between { B , 3 , z B , 3 , z } and { B , 3 , z B , 3 , z } a. { B , 3 , z B , 3 , z } ⊂ ⊂ { B , 3 , z B , 3 , z } b. { B , 3 , z B , 3 , z } ⊆ ⊆ { B , 3 , z B , 3 , z } c. Both a and b. d. Neither a nor 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.

step-by-step explanation: 4 cause 2+2=4

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step-by-step explanation:

x+2> 6

subtract 2 from each side

x+2-2 > 6-2

x > 4

there is an open circle at 4 since is it is greater than and the line goes to the right