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If f(x) = 3x + 7, find: f(3) = [?] Enter
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2 votes
If f(x) = 3x + 7, find:
f(3) = [?]
Enter

User Xaphod
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1 Answer

10 votes
f(3)= 16. Essentially, you need to substitute 3 for x, which would look like this: 3(3) + 7. Then, by using PEMDAS/the order of operations, multiply 3 by 3 to get 9, and then add 7 to get 16.
User Fullhdpixel
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