Pls show me the steps to solve this:
if f(x) = 3x-2, find f(8) = f(-5)

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of

you need to rotate this triangle about the origin 270 degrees clockwise to create the full square.