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What is this function’s input if its output is 11? f(x) = 2x + 5 1, 2, 3, 4
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3 votes
What is this function’s input if its output is 11? f(x) = 2x + 5 1, 2, 3, 4

User Axeman
by
5.7k points

2 Answers

3 votes
11 = 2x + 5
-5 -5
6 = 2x
/2 /2
3 = x
User Brian Robbins
by
6.5k points
4 votes
The answer is 3,
11=2x+5
11-5=2x
6=2x
3=x
User Bongali Babu
by
6.4k points
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