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Which is the correct way to evaluate f(15) for the function f(x)=2(x+3)?

Start by substituting 15 for x. Then, simplify to get f(15)=36.
Since f(15) is not within the domain of the function, it cannot be evaluated.
Since f(15) means the output value is 15, the function evaluates to f(15)=15.
Start by letting 2(x+3)=15, then solve for x. When solved, the answer is x=4.5.

Respuesta :

kosala1478

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

Cetacea

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.

Learn more: https://brainly.com/question/12356025

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