If f(x) = 2x - 2, g(x) = 3x and h(x) = x^2 + 2 Find: (f(g(2)) g(f(-2) and g(h(3))

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?

What is the value of x in the following equation. -x ^3/2 = -27

Its urgent! the curved part of this figure is a semicircle. what is the best approximation for the area of this figure? 24+9.125π units² 12+9.125π units² 12+18.25π units² 24+18.25π units²