Will someone me: )) i suck at math evaluate the picture below:

If g(x) = x+1/ x-2 and h (x) =4 - x , what is the value of ( 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?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2