Question 969895
Suppose that the functions u and w are defined as follows. 
u(x)=-2x-2 
w(x)=x^2-1 
Find the following. 
1.(w ◦ u)(1)=?
w[u(1)] = w[-4] = 3
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2.(u ◦ w)(1)=?
u[w(1)] = u[0] = -2
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Cheers,
Stan H>
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