Answer:
a.(x)=7
b.(x)=14
Step-by-step explanation:
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Answer:
this question doed not make sense
Step-by-step explanation:
Answer:

Step-by-step explanation:
we have


we know that

substitute the variable x in the function g(x) by the function f(x)
so

Evaluate 
For x=0


Answer:
3) 14
Step-by-step explanation:
in the given equation replace the "g(x)" with the provided "20"
20=2(x-4) solve as usual
divide each side by 2
10=x-4
add 4 to each side
14=x
the value of x is 14
2/5 is the answer unless your multiplying