I need help with this please its 2 pages and I need it done in 20 min

the answer is:

mean: 6

mad: 2.14

f(x) is   are being squared

g(x) is   increasing by 2

h(x) is adding .25 each time

k(x) is taking the square root

f(x) and k(x) are exponential functions

the correct answer would be the third option

y = -1

x = 8

hope this !