Suppose a(x)=3x-7 and b(x)=2-x^3. Find a(b(3))-b(a(3)). Thank you.
Good Lord. On a Monday?
a(b(3))= a((2-27)=a(-25)=-75-7=-82
b(a(3))=b(9-7)=b(2)=2-8=-6
now a(difference)=a(-6+82)=3(76)-7
double and treble check this math. Monday is Monday.