Respuesta :
Answer:
the first option
Step-by-step explanation:
Start by substituting 15 for x. Then, simplify to get f(15)=36.
cuz
f(x)=2(x+3)
f(15)=2(15+3)
= 2×18=36
gimme brainliest plz
Answer: Start by substituting 15 for x. Then, simplify to get f(15)=36.
To find f(15) we will replace x by 15 and then simplify it.
[tex]f(x)=2(x+3)\\f(15)=2(15+3)\\f(15)=2(18)\\f(15)=36[/tex]
Hence the first option is right.
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