Answer:
f(7)=42
Explanation:
f(x)=56-2x
Here put x=7
f(7)=56-2(7)
f(7)=56-14
f(7)=43
I hope this will help you :)
Answer: 42
Simply substitute 7 for x.
56 - 2(7)
56 - 14
42
Hope it helps <3
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