Mathematics
Mathematics, 13.12.2019 03:31, krystabrewer3

No calculator allowed: which of the following numbers are in the range of f if f(x) = 2x-1 / x+1.
[part of question] : i. -1
ii. 1
iii. 2

i kind of understand but it's tough without a calculator (for me at least). how would you solve these without a calculator?

answer
Answers: 2

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Do you know the correct answer?
No calculator allowed: which of the following numbers are in the range of f if f(x) = 2x-1 / x+1.

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