Please Help Me with this The First Picture is the question and the second is the answer choices

Consider the function f(x)=-5x+3 what is f(-2)

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.

Determine if this is a solution to the system