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Mathematics
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OpenStudy (teller):
Can someone help me please to see if I did this correctly ? Suppose that the functions r and s are defined for all real numbers x as follows. r(x)=2x+2 s(x)=x-2 Write the expressions for (s-r)(x) and (s+r)(x) and evaluate (s*r)(-2) (s-r)(x)= x-5-(2x+2) (s+r)(x)=x-5+(2x+2) (s*r)(-2)= I'm having a little trouble on the last part on how to solve it.
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