Given f(x)=3x+2 and g(x)=4-5x Find a) f(x)-g(x) b) f(x)÷g(x) c) f(x)×g(x) d) 2×f(x)

Answer 1

just use their definitions:

(b) f(x)/g(x)
= (3x+2)/(4-5x)

(c) f(x)*g(x) = (3x+2)*(4-5x) = -15x^2 + 2x + 8

and similarly for the others.