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Diberikan fungsi f(a) = -2a + a. Nilai f(4) adalah
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a. (-4)
b. (-8)
c. 2
d. 5
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» sertakan cara pengerjaan/penyelesaian.
» Tidak ngasal.
» pilih opsi yg tepat.
» Tidak cps.
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Trms.
Jawaban:
a. -4
Penjelasan dengan langkah-langkah:
f(a) = -2a + a
f(4) = (-2)(4) + 4
f(4) = ((-2) × 4) + 4
f(4) = (-8) + 4
f(4) = -(8 - 4)
f(4) = -4 (A.)
[tex] [/tex]
[tex] \mathbb{ \color{aqua}{ \underbrace{JAWABAN}}}[/tex]
a. (-4)
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[tex] \mathbb{ \color{orange}{ \underbrace{PENYELESAIAN}}}[/tex]
[tex] \underline{ \overline{ \boxed{ \bf{diketahui}}}}[/tex]
- f(a) = -2a + a
[tex] \\ \underline{ \overline{ \boxed{ \bf{ditanya}}}}[/tex]
- Nilai f(4)
[tex] \\ \underline{ \overline{ \boxed{ \bf{jawab}}}}[/tex]
- substitusikan a = 4
[tex] \boxed{ \: \begin{aligned} \tt f(a) &= \tt - 2a + a \\ \tt f(a) &= \tt - a \\ \tt f(4) &= \red{ \boxed{ \green{ \bf{ - 4}}}} \end{aligned} \: }[/tex]
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[tex] \mathbb{ \color{red}{ \underbrace{KESIMPULAN}}}[/tex]
Jadi, nilai dari f(4) adalah (-4)
[tex] \colorbox{ff0000}{} \colorbox{ff4000}{}\colorbox{ff8000}{}\colorbox{ffc000}{}\colorbox{ffff00}{}\colorbox{c0ff00}{}\colorbox{80ff00}{}\colorbox{40ff00}{}\colorbox{00ff00}{}\colorbox{00ff40}{}\colorbox{00ff80}{}\colorbox{00ffc0}{}\colorbox{00ffff}{}\colorbox{00c0ff}{}\colorbox{0080ff}{}\colorbox{0040ff}{}\colorbox{0000ff}{}\colorbox{4000ff}{}\colorbox{8000ff}{}\colorbox{c000ff}{}\colorbox{ff00ff}{}\colorbox{ff00c0}{}\colorbox{ff00a0}{}\colorbox{ff0080}{}\colorbox{ff0040}{} [/tex]
