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If ƒ(x) = 2x2 + 3, then which of the following represent ƒ(-1)
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4 votes
If ƒ(x) = 2x2 + 3, then which of the following represent ƒ(-1)

User Remco Beugels
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It is hard to tell what you mean by 2x2. If it means 4x, then the answer is 4x+3 but with x being substituted with -1. Therefore, the answer is -1.
User Phan
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