SOLUTION: 3.Given that f(x) = 3x + 1, g(x) = x2 –2x - 6 , find (g o f)(-2) and f/g(0).

Algebra ->  Functions -> SOLUTION: 3.Given that f(x) = 3x + 1, g(x) = x2 –2x - 6 , find (g o f)(-2) and f/g(0).       Log On


   

Question 466834: 3.Given that f(x) = 3x + 1, g(x) = x2 –2x - 6 , find (g o f)(-2) and f/g(0).
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
f(-2) = 3*-2 + 1 = -6 + 1 = -5
==> %28g+o+f%29%28-2%29+=+g%28-5%29+=+%28-5%29%5E2+-+2%2A-5+-+6+=+25+%2B+10+-+6+=+29
==> %28f%2Fg%29%280%29+=+f%280%29%2Fg%280%29+=+1%2F%28-6%29+=+-1%2F6