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What is the output of the function: f(x)=2x+5, if the input is 3?

User Oluwafemi
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2 Answers

4 votes

Answer:

2*3+5=11

Explanation:

User Gregoltsov
by
8.2k points
2 votes

Answer:


\boxed {\boxed {\sf 11}}

Explanation:

We are given the following function and asked to find the output if the input is 3.


f(x)= 2x+5

The input is what is plugged into the function and its variable is x. The output is the result of plugging in the input and its variable is y.

Substitute 3 in for x,


f(3)= 2(3)+5

Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. Multiply 2 and 3.


f(3)= 6+5

Add.


f(3)= 11

If the input is 3, then the output is 11.

User Adam Asham
by
6.8k points

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