use composition to determine whether each pair of functions are inverses h(x)=(1)/(3 )x+4 and j(x)= 3x - 12

Hassan bought a package of tofu. the temperature of the tofu was 14° celsius when hassan put the package into the freezer. he left the tofu in the freezer until it reached –19° celsius. which expressions explain how to find the change in temperature, in degrees celsius, of the package of tofu? select three that apply.