SOLUTION: If f(x)=3x+9 and g(x)=2x-2 find (f o g) (-9)

Algebra ->  Functions -> SOLUTION: If f(x)=3x+9 and g(x)=2x-2 find (f o g) (-9)      Log On


   



Question 255490: If f(x)=3x+9 and g(x)=2x-2 find (f o g) (-9)
Answer by EMStelley(208) About Me  (Show Source):
You can put this solution on YOUR website!
Remember that (f o g)(-9) means f(g(-9)). So this would be:
f[2(-9)-2] = f(-20) = 3(-20)+9 = -51