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Functions and Difference Quotients

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Use f(x) = -2x^2 + 3X
21. Find f(-4)

22. Find f(9x-1)

23. Find the difference quotient

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Solution Summary

Functions and Difference Quotients are investigated.

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f(x)=-2x^2+3x

21. f(-4)=-2*(-4)^2+3*(-4)=-2*16-12=-44

22. ...

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