If, in 7 years, Susan will be 2 times as old as she was 3 years ago, what is Susan’s present age?

The gades foundation and hbm corporation are eager to donate generously to their favorite charities. the gades foundation donated $250 in the first month, and each month afterward their cumulative donation total increases by 100$ the hbm corporation donated $64, in the first month, and each month afterward their cumulative donation total increases by 75%. in which month will the hbm corporation's cumulative donation total first exceed the gades foundations' cumulative donation total?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Which number completes the inequality? 2/3 < _ < 7/9