f(x) = 23x + 45x² f(9) = …​

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f(x) = 23x + 45x² f(9) = …​

Penyelesaian~

f(x) = 23x + 45x²

f(9) = 23(9) + 45(9)²

f(9) = 207 + 405²

f(9) = 207 + (405 × 405)

f(9) = 207 + 164.025

f(9) = 164.232 ✔️

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f(x) = 23x + 45x²

f(9) =

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f(9) = 23(9) + 45(9²)

f(9) = ( 23 × 9 ) + 45( 9 × 9 )

f(9) = 207 + ( 45 × 81 )

f(9) = 207 + 3.645

f(9) = 3.852

{tt -----}

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