W/ solution.

Find (a) f+g; (b) f-g; (c) (f+g)(3); and (d) (f-g)(2) if f(x) = -4x+5 and g(x) = 7x-4. * Your answer Find (a) f+g; (b) f-g; (c) (f+g)(3); and (d) (f-g)(2) if f(x) = x^2+x-1 and g(x) = -3x^2-2x+5