10 points, is my answer correct?, if not then whats the correct answer, pls answer

Someone . me. compound probability

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?

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.