Summative test
paki sagot po pls. i fo- follow ko po kayo
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1. xy = (2)(1) = 2
2. x + y = 2 + 1 = 3
3. y^2 + y = (1)^2 + 1 = 1 + 1 = 2
4. (xy)/4 = ((2)(1))/4 = 2/4 = 1/2
5. x^2 + 2x - 4 = (2)^2 + 2(2) - 4 = 4 + 4 - 4 = 4