Question

F(x) = x+3 and g(x) = x^2 - 2. (f -g)(3t)

Answer 1

(f - g)(x) = (x+3) – ( x² –2)

= (x+3) + ( - x²+2)

= – x²+x +5

(f -g)(3t) = - (3t)² + (3t)+5

= - 9t²+3t+5

I hope I helped you^_^