If f(x)= 2x2+1 what is f(x) when x=3?
1 answer:
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Answer: first option.
Step-by-step explanation:
Given the expression:
You need to remember the multiplication of signs:
Then, you know that:
So, an equivalent expression must have and
. Let's check the expressions provided in the options:
You can observe that the equativalent expression is: