Dik. f(x) = x-2 g(x) = x²-x-2 Tentukan : a. (f+g) (x) b. (f-g) (x) c. (f×g) (x) d. (f÷g) (x)

Question

Matematika Diposting : 2017-04-07 Diupdate : 2021-08-17 Indasafitri

Pertanyaan

Dik. f(x) = x-2 g(x) = x²-x-2
Tentukan :
a. (f+g) (x)
b. (f-g) (x)
c. (f×g) (x)
d. (f÷g) (x)

Answer 1

(f+g)x = (x-2) + ( x²-x-2 )
= x-2+ x² -x -2
= x²-4