Using the functions f and g given below, find fog and gof. Check whether fog = gof.(i) f(x) = x – 6, g(x) = x2(ii) f(x) = 2x, g(x) = 2x2– 1(iii) f(x) = x+6/ 3g(x) = 3 – x(iv) f(x) = 3 + x, g(x) = x – 4(v) f(x) = 4x2– 1,g(x) = 1 + x

Using the functions f and g given below, find fog and gof. Check whether fog = gof.
(i) f(x) = x – 6, g(x) = x2
(ii) f(x) = 2x, g(x) = 2x2– 1
(iii) f(x) = x+6/ 3g(x) = 3 – x
(iv) f(x) = 3 + x, g(x) = x – 4
(v) f(x) = 4x2– 1,g(x) = 1 + x

Matching exercise

Match the items on the right to the items on the left.

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