4 years ago

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

Mathematics

1 answer:

Sav [38]4 years ago

7 0

Answer:

Step-by-step 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:

$f(4)= 16+5$ ⇒ $f(4)=21$

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