Let U = {5, 10, 15, 20, 25, 30, 35, 40}

Question

A = {5, 10, 15, 20}

B = {25, 30, 35, 40}

C = {10, 20, 30, 40}.

Find A ⋂ B.

Answer 1

find f(x) c=10 d=30