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Mathematics 8 Online
OpenStudy (anonymous):

Please help fast. Explain how you found the answer step by step please. What is the output of the given input? f(x) = 4x + 7, find f(4)

OpenStudy (davidusa):

23

OpenStudy (davidusa):

is the answer.

OpenStudy (anonymous):

How did you find that though? I don't understand how to do these.

OpenStudy (davidusa):

f(4) means you replace all xs in the function with 4. 4 times 4 is 16, +7 is 23.

OpenStudy (anonymous):

Ohhh, okay. Thanks so much. :)

OpenStudy (davidusa):

youre welcome thanks for medal.

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