Suppose that a function f has the values f(1)=15 and f(3)=45. Write an equation for f(x) if f(x) is an exponential function(a. b^x)

Lucy is a dress maker. she sews \dfrac47 7 4 ? of a dress in \dfrac34 4 3 ? hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable.

Joe had 25 pencils he divided them into 5 pieces how many pieces does he have left

The ordered pair (2,-5.2) is located in quadrant iv