SOLUTION: Indicate whether the graphs of the following will have a maximum or a minimum. please help me (a) f (x) = x^2

SOLUTION: Indicate whether the graphs of the following will have a maximum or a minimum. please help me (a) f (x) = x^2 - 9 a.___________

Question 92190This question is from textbook
: Indicate whether the graphs of the following will have a maximum or a minimum. please help me
(a) f (x) = x^2 - 9 a.____________
(b) f (x) = 8x - 3x^2 b.____________
(c) f (x) = -(3 - x )^2 c.____________ This question is from textbook

Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
if the sign of the ^2 term is positive, the parabola opens upward resulting in a minimum value

if the sign is negative, downward opening results in a maximum value

a. min ... b. max ... c. max
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