What is the Oder of rotation? What is the angle of rotation? Express in degrees and as a fraction of a turn?

Which of the following graphs represents the function f(x) = 2^x

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

Find the value of x in the diagram below. select the best answer from the choices provided