PARACHUTING Two parachutists jump at the same time from two different planes as part of an aerial show. The height h1 of the first parachutist in feet after t seconds is modeled by the function h1 = –16t2 + 5000. The height h2 of the second parachutist in feet after t seconds is modeled by the function h2 = –16t2 + 4000. ​

a. What is the parent function of the two functions given?

b. Describe the transformations needed to obtain the graph of h1 from the parent function.

c. Which parachutist will reach the ground first?

ok

Step-by-step explanation:

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  y= -3x is the required function.

step-by-step explanation:

we have been given a table:

x             y

0             0

1             -3

3             -9

-2             6

we can see that the values of y is -3 times the value of x

hence, the function would be: y= -3x.

put the values of x will give the same y as in the table that means function is satisfying the given table.

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9