F(x)=2x+8
G(x)=x-4
Plug g(x) into f(x)
F(g(x))=2(x-4)+8
Distribute
F(g(x))=2x-8+8
Simplify
F(g(x))=2x
Step-by-step explanation:
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Step 1:

Wright the equation
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Step 2:

Transfer the power of y ie ¹² up to subtract it
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Step 3:

by subtracting the powers we get 0
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Step 4:

so the results comes 1 because anything ⁰=1
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⚡Final answer :1✓
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hope it helped you:)
Answer:
Step-by-step explanation:
Let the length of each side of the cube be
x meters.
x3= 123,456
3 square root x3= 3 square root 123,456
x=49.8 m
The length of each side of the cube is
49.8 meters
You would have 30 coins, 6 dimes, 4 nickels, and 20 pennies.
Step-by-step explanation:
19 -12+6k=14+7k
7+6k=14+7k
-6k -6k
7=14+x
-14 -14
-7=x