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OpenStudy (anonymous):
1. If h(z)=z^2-2z a. Find h(-1) b. Find and completely simplify h(z-2)
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Nnesha (nnesha):
first replace z by -1 and then solve
Nnesha (nnesha):
|dw:1421047338732:dw| replace z by -1 and then take square of -1
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