Asked by Justine Keeps

Suppose a(x) = 3x - 7 and b(x) = 2 - x^3. Find a(b(3)) - b(a(3)).
Answered by Reiny
I will do one of the components, you do the other , then subtract them

a(x) = 3x - 7 and b(x) = 2 - x^3

a(b(3))
= a(2-3^3)
= a(-25)
= 3(25) - 7 = 68
Answered by Sum_Math_Is_Cool
you got it wrong the answer must be negative
Answered by Sum_Math_Is_Cool
the answer is -76
Answered by Asking Ree
nice job
Answered by Yo
True -76