f(3) = ...
SOAL 1
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f(x) = 1x + 3x - 7 × 2x
___________________________________________ f(3) = 1(3) + 3(3) - 7 × 2(3)
f(3) = (1 × 3) + (3 × 3) - [7 × (2 × 3)]
f(3) = (1 × 3) + (3 × 3) - [7 × 6]
f(3) = 3 + 9 - 42
f(3) = 3 - 33
f(3) = -30
___________________________________________ [tex] {\mathcal\color{purple}{{\pink{\underline{\purple{\underline\bold{\pink{K}\bold\color{violet}{h\bold{\pink{a}\bold\color{violet}{d\bold{\pink{i}\bold\color{violet}{j\bold{\pink{a}\bold\color{violet}{h\bold{\pink{A}\bold\color{violet}{m\bold{\pink{j}\bold\color{violet}{a\bold{\pink{d}\bold\color{violet}{1\bold{\pink{2}}}}}}}}}}}}}}}}}}}}}}[/tex]
f(x) = 1x + 3x - 7 × 2x
f(3) = 1(3) + 3(3) - 7 × 2(3)
f(3) = (1 × 3) + (3 × 3) - 7 × (2 × 3)
f(3) = 3 + 9 - 7 × 6
f(3) = 3 + 9 - 42
f(3) = 12 - 42
f(3) = -30
[answer.2.content]
