I don't know what is between f(x) and g(x), so (for now) there are two posible answers:
1.

- function multiplication:

2.

- function composition:
4232 divided by 18 equals 235.1
Area=14cm×6cm=84 cm²
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Answer is in a photo. I couldn't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

Answer:
Explanation:
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