SOLUTION: f(x) = 3x - 7 and g(x) = -2x - 6. Find (f o g)(4)

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Question 1021772: f(x) = 3x - 7 and g(x) = -2x - 6. Find (f o g)(4)
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Use g as the input for f, and simplify.


f%28g%28x%29%29=3%28-2x-6%29-7
-6x%2B18-7
highlight%28-6x%2B11%29


Evaluate at x=4.
-6%2A4%2B11
-24%2B11
highlight%28-13%29

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

f(x) = 3x - 7 and g(x) = -2x - 6. Find (f o g)(4)
highlight_green%28f%28g%284%29%29+=+-+49%29