Given the functions g(x) = x 2 − 4 and h(x) = x + 2, Express the following as the sum, difference, product, or quotient of the functions above. 1. p(x) = x − 2 2. r(x) = x 2 + x − 2 3. s(x) = x 3 + 2x 2 − 4x − 8 4. t(x) = −x 2 + x + 6