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Given f(x)=4x+5, evaluate f(4).
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Given f(x)=4x+5, evaluate f(4).

User Tickwave
by
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1 Answer

4 votes

Answer:

21

Explanation:

1. plug in 4 for F(x) making 4=x:


f(4)=4(4)+5

2. multiply 4 and 4:


f(4)=4(4) +5⇒
f(4)=16+5

3. Add 16 and 5 to get your answer:


f(4)= 16+5⇒
f(4)=21

User Dmcnally
by
8.8k points
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