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VirginiaMathsQuick questions

Functions

Quick questions on Functions and function notation - Virginia SOL Algebra I

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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For g(x)=2x−7g(x) = 2x - 7, find g(4)g(4). [1 point]
What is q2?
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Is {(2,3),(2,5),(4,1)}\{(2, 3), (2, 5), (4, 1)\} a function? [1 point]
What is sign error with a negative input?
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−4(−1)=+4-4(-1) = +4. Track the double negative.

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