Use the triangle below to find cos angle v

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?

The graph shown is the graph of which function?

Give all possible names for the line shown. calculation tip: lines can be written with either point first.