Diket f(x)=5x-3 jika f(a)=22 maka nilai a=

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

F(a) = 22
f(a) = 5a-3
22 = 5a-3
5a = 25
a = 5