What is the y-intercept of this equation?
y=5x+8

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?

If g(x) is an odd function, which function must be an even function?

Need solving this second acceleration problem.