F(x)= 2x-3x^2 evaluate f(-3)
a. -33
b. 6
c. 33
d. -21

Y=4x^2+x-1 solve using quadratic formula

On a architect's drawing of a house, 1 inche representa 1.5

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?