Function
posted by Anon .
Write a function rule for the area of a parallelogram whose base is 4 inches more than its height. What is the area of the parallelogram when its height is 8 inches?

height  x
base  x+4
Area(x) = x(x+4) or x^2 + 4x
Area(8) = 64 + 32 = 96 OR 8(12) = 96