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10 questions from this quiz
Functions with same form, diff parameters
f′(x)=(x−a)(3x−a−2b)f'(x) = (x - a)(3x - a - 2b)f′(x)=(x−a)(3x−a−2b)
Where f′(x)=0f'(x) = 0f′(x)=0
x=a+2b3x = \frac{a + 2b}{3}x=3a+2b
Always a local maximum
f′(x)>0f'(x) > 0f′(x)>0 (positive)
(a,b)(a, b)(a,b) and (2+a,−4+b)(2 + a, -4 + b)(2+a,−4+b)
(0,0)(0, 0)(0,0) and (2,−4)(2, -4)(2,−4)
Two: point on curve and f′(x)=0f'(x) = 0f′(x)=0
a=c−12a = c - 12a=c−12
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