diket f(x)=5x-3 jika f(a)=22 maka nilai a=
Matematika
amyfaradila57
Pertanyaan
diket f(x)=5x-3 jika f(a)=22 maka nilai a=
2 Jawaban
-
1. Jawaban khkh
f(a) = 22 f(a) = 5a-3 22 = 5a-3 5a = 25 a = 5 -
2. Jawaban nennih
f(x)=5x-3 dan f(a)=22
5x-3=22
5x=22+3
5x=25
x=5
jadi nilai a=5
f(a)=5×a-3
=5×5-3
=25-3 =22