4 Given the functions f(x)=x^3-8 and g(x)=3-x find the value of: a f(2) b f(-1) C g(5) d g(-2)

a) To find the value of , we need to substitute into the function . Therefore, the value of is 0.b) To find the value of , we need to substitute into the function . Therefore, the value of is -9.c) To find the value of , we need to substitute into the function . Therefore, the value of is -2.d) To find the value of , we need to substitute into the function . Therefore, the value of is 5.