How far will the rock have fallen in 6 seconds, 7 seconds? And write an equation for the function, with d representing the distance dropped after t seconds

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

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 is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14