Converting units of rate

Write each expression in exponential form and find its value. 2 x 2 x 2 x 2

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

Can you me find the slope! (30 points)