di ketahui suatu fungsi f( 3b -1) =9b +6, nilai f(-2) =
Matematika
mufarrihah4
Pertanyaan
di ketahui suatu fungsi f( 3b -1) =9b +6, nilai f(-2) =
1 Jawaban
-
1. Jawaban Lianty164
f (3b - 2) = 9b + 6
= 9 ( 3b - 2) +6
= 27b - 18 + 6
= 27b - 12
f (-2) = 27 (-2) -12
= - 54 - 12
= 66