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What is the output of the fuction f(x)=x+21 if the input is 4
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What is the output of the fuction f(x)=x+21 if the input is 4

User Daniely
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To solve this equation, plug your input value into the function to find your output.

This would leave you with:
f(4)=4+21

Add the two integers together:
f(4)=25

So he output value of that function with he input of 4 would be 25.
User James Porter
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