F(x) = -x² + x + 13
Find f(9)

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

3.4a=57.8 what is the the value of a