Diketahui suatu fungsi f(x)=2x +3 jika f(a)= -11 , nilai a adalah…

By Admin ReiPosted on December 9, 2022

Diketahui suatu fungsi f(x)=2x +3 jika f(a)= -11 , nilai a adalah…

Jawaban Terkonfirmasi

F(x) = 2x+3
f(a) = 2(a)+3
f(a) = 2a+3
-11 = 2a+3
2a = -11-3
2a = -14
a = -14/2
a = 7

-11 = 2a + 3
-11 – 3 = 2a
-14 = 2a
$frac{-14}{2} = a$
a = -7