SOLUTION: G(x)= 2xsquare-5 A solve g(x)=9 B calculate g(-3) Help please

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Question 640576: G(x)= 2xsquare-5
A solve g(x)=9
B calculate g(-3)
Help please
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Technically speaking, what you ask cannot be done with the information given. That is becsuse and are not the same thing. But just in case you were only being sloppy:

Part A: Set . That is: , then solve for

Part B: Substitute -3 for in and do the arithmetic.

John

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