Jawaban:
f(x)= x^3 - 6x^2 -15x + 1
f'(x)= 0
3x^2 -12x - 15 = 0
x^2 - 4x - 5=0
(x - 5)(x + 1) =0
x = 5 atau x = - 1
x padaintgerval -2 ≤ x ≤ 4
f(x) = x³ -6x² - 15x + 1
f(-2) = -8 - 24 +30 + 1 = -1
f(-1) = -1 - 6 +15 + 1 = 9
f(4) = 64- 24 - 60 + 1 = -19
nilai maksimum = 9
nilai minimum = -19
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
f(x)= x^3 - 6x^2 -15x + 1
f'(x)= 0
3x^2 -12x - 15 = 0
x^2 - 4x - 5=0
(x - 5)(x + 1) =0
x = 5 atau x = - 1
x padaintgerval -2 ≤ x ≤ 4
f(x) = x³ -6x² - 15x + 1
f(-2) = -8 - 24 +30 + 1 = -1
f(-1) = -1 - 6 +15 + 1 = 9
f(4) = 64- 24 - 60 + 1 = -19
nilai maksimum = 9
nilai minimum = -19