jika f(x)= 2 - x ,g(x)=x² - 3 dan h(x)=4x maka nilai dari (hogof)(1)= A.-16 B.-6 C.-3 D.1 E.2
Matematika
dendy07
Pertanyaan
jika f(x)= 2 - x ,g(x)=x² - 3 dan h(x)=4x maka nilai dari (hogof)(1)=
A.-16
B.-6
C.-3
D.1
E.2
A.-16
B.-6
C.-3
D.1
E.2
1 Jawaban
-
1. Jawaban arsetpopeye
f(x) = 2 - x => f(1) = 2 - 1 = 1
g(x) = x^2 - 3 => g(1) = 1^2 - 3 = 1 - 3 = -2
h(x) = 4x
(h o g o f)(1) = h(g(f(1))) = h(g(1)) = h(-2) = 4(-2) = -8