Jika f(x) = x² + 3x dan f' (1-x) = 15. Maka nilai x adalah?.... Question from @danipecintachelsea

January 2023 1 3 Report

Jika f(x) = x² + 3x dan f' (1-x) = 15. Maka nilai x adalah?

Penjelasan dengan langkah-langkah:

f(x) = x² + 3x

f'(1 - x) = 15

f'(x) = 2x + 3

f'(1 - x) = 2(1 - x) + 3

15 = 2 - 2x + 3

2x = -10

x = -5

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