which graph represents the function f(x) = 2 · 4^x ?

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?