Solve for z:

a) 4√7
b) 3√7
c) 51
d) 12

With #! i’ve tried to figure it out but i can’t.

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top