Asked by channing
evaluate 2x to the 2nd power minus 1 when x is 3
Answers
Answered by
Reiny
could be:
(2x)^2 - 1 or 2x^2 -1, can't tell from your typing
I will assume the 2nd, if not, you do my first interpretation
2x^2 -1
= 2(3^2) - 1
= 2(9) - 1
= 17
(2x)^2 - 1 or 2x^2 -1, can't tell from your typing
I will assume the 2nd, if not, you do my first interpretation
2x^2 -1
= 2(3^2) - 1
= 2(9) - 1
= 17
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