the function h(t) = -1/2t^2 + 13x represents the height of a ball thrown in the air. Which pairs of points have a positive rate of change? Select all that apply. a. (0, 0) and (4, 60) b. (22, 44) and (25, 12.5) c. (8,72) and (12, 84) d. (17, 76.5) and (20, 60)

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none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

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m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

b

step-by-step explanation: