Jawaban:
f(x) = axⁿ → f'(x) = anxⁿ-¹
Sebelum menentukan nilai dari f'(-3), kita harus mencari nilai p yang memenuhi
f(x) = 2x² - 4px + 5
f'(x) = 2(2x) - 4p
f'(x) = 4x - 4p
f'(1) = 4(1) - 4p
-4 = 4 - 4p
-4 - 4 = -4p
-8 = -4p
p =
p = 2
f'(x) = 4x - 4(2)
f'(x) = 4x - 8
f'(-3) = 4(-3) - 8
f'(-3) = -12 - 8
f'(-3) = -(12 + 8)
f'(-3) = -20
Jadi, nilai dari f'(-3) adalah -20.
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Jawaban:
Turunan Fungsi
f(x) = axⁿ → f'(x) = anxⁿ-¹
Pembahasan
Sebelum menentukan nilai dari f'(-3), kita harus mencari nilai p yang memenuhi
f(x) = 2x² - 4px + 5
f'(x) = 2(2x) - 4p
f'(x) = 4x - 4p
f'(1) = 4(1) - 4p
-4 = 4 - 4p
-4 - 4 = -4p
-8 = -4p
p =
p =
p = 2
f'(x) = 4x - 4p
f'(x) = 4x - 4(2)
f'(x) = 4x - 8
f'(x) = 4x - 8
f'(-3) = 4(-3) - 8
f'(-3) = -12 - 8
f'(-3) = -(12 + 8)
f'(-3) = -20
Kesimpulan
Jadi, nilai dari f'(-3) adalah -20.