Of X-ray is black how do you turn it white

Me with this one question, and i'll upvote the brainliest answer

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

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.