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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