ditentukan f(x) = x kuadrat - 5n. jika f(5) = 10, maka nilai n = ...
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ditentukan f(x) = x kuadrat - 5n. jika f(5) = 10, maka nilai n = ...
1 Jawaban
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1. Jawaban christieryo
f(x)=x²-5n
f(5) = 10
f(5) = 5² -5n = 10
=> 5² - 5n = 10
=> 25 - 5n = 10
=> -5n = -15
=> n = 3