Addition and Subtraction of Functions: f(x) = x - 5, g(x) = x^2 + x

Find Sum, Difference, and Product of Polynomial Functions with Domains

Sum, Difference, Product, and Quotient of Functions f(x) = x + 5 and g(x) = x - 5

Find (f+g)(x) and (f-g)(x) for Functions f(x) = 3x + 3 and g(x) = -4x + 1

Finding the Sum of Two Functions (f + g)(2)