Sally's parents deposited $15,000 into a college savings account on her third birthday. The account had an interest rate of 9.6%
compounded annually. They were hoping that the money would double twice by the time she was 18 years old. Using the rule of
72,6-72. Will their hopes come true?

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.