A shark jumps out the water. The quadratic function f(x)=-16x2 + 15x models the shark's height, in feet, above the water after x seconds. How long is the shark out of the water?
The shark is out of the water for about
second(s).

Solve |x| > -9 a) {x|x< -9 or x> 9} b) all reals c) no solution

Describe how you can act financially responsible.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?