Suppose a tennis player hits a ball over the net. the ball leaves his racket 0.5m above the ground. the equation h = -4.9t2 + 3.8t + 0.5 gives the ball's height h in meters at time t in seconds.

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x

answer: it's d

step-by-step explanation:

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol