Q.
f(x) = 6x + 5x - 21
f(3) = ?![]()
f(x) = 6x + 5x - 21
f(3) = ?
f(x) = 6x + 5x - 21
f(3) = 6(3) + 5(3) - 21
f(3) = ( 6 × 3 ) + ( 5 × 3 ) - 21
f(3) = (18 + 15) - 21
f(3) = 33 - 21
f(3) = 12
Kesimpulan :
jadi f(x) = 6x + 5x - 21
= 12
[tex]\huge\tt{ \color{f17173}{@} \color{ff968a}{n} \color{ffaea5}{i} \color{ffc5bf}{s} \color{ffc8a2}{a} \color{cce2cb}{a}}[/tex]
f(x) = 6x + 5x - 21
f(3) = 6(3) + 5(3) - 21
f(3) = 18 + 15 - 21
f(3) = 33 - 21
f(3) = 21
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