Question

Graph the functions f(x) = x³ and g(x) = ³√x on the same coordinate plane. Find fog and graph it on the plane as well. Explain your results.

Answer 1

y = x³

y = ³√x

Now fog(x) = f[g(x)] = f[³√x] = (3√x)³ = x 

(i.e.,) y = x