Question

Diketahui f = {(2,4), (3,7), (5,13), (7,19)}, g = {(5,20), (7,28), (13,52)}, dan h = {(20,-15), (28,-23), (52,-47)}. Nilai (h o g o f) (5) = ............
A. 13
B. 7
C. -15
D. -23
E. -47

Dengan caranya

Answer 1

Verified answer

Jawab

(h o g o f)(5)
= hog {f(5)} --> f(5) = 13 
= hog (13)  ---> g(13) = 52
= h(52) = -47

hogof (5)= - 47