Evaluate the expression x^4+9x^2 when x=-3

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function