SOLUTION: Could someone tell me if this is right or not?
Indicate whether the graphs of the following will have a maximum or minimum.
a) f(x)=8x-3x^2 (is maxi right?)
b) f(x)=x^2-9 (ma
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-> SOLUTION: Could someone tell me if this is right or not?
Indicate whether the graphs of the following will have a maximum or minimum.
a) f(x)=8x-3x^2 (is maxi right?)
b) f(x)=x^2-9 (ma
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Question 204285: Could someone tell me if this is right or not?
Indicate whether the graphs of the following will have a maximum or minimum.
a) f(x)=8x-3x^2 (is maxi right?)
b) f(x)=x^2-9 (maxi?)
c) f(x)=-(3-x)^2 (mini?) Answer by jim_thompson5910(35256) (Show Source):
You can put this solution on YOUR website! Here's something helpful to remember: The polynomial has a minimum when (ie when "a" is positive) or has a maximum when (ie when "a" is negative)
So for all three, simply get the right sides into the form and determine the values of "a". From there, determine if those values are either positive or negative.
Note: you have to FOIL (ie expand) the right side of part c)
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