Diketahui rumus fungsi f(x) = 8 - 3x. Nilai f(-5)=...
Please bantuu yaa :) ^_^

2
f(-5) = 8-3x5
f(-5)= 8-3x(-5) = 8-15 = -7
hati hati dalam penggunaan tana minus
(-) dikali (-) = (+) lo, hati hati
iya maaf kesalahan seharusnya =23

Jawabanmu

2014-02-26T21:17:00+07:00
F (x) = 8 - 3x
f (-5) = 8 - 3 (-5)
= 8 + 15
23
2014-02-26T21:17:58+07:00
F(x) = 8 - 3x
f(-5) = 8 - 3(-5)
= 8 - (-15)
=23