Study the in/out table

In(x) Out
3 10
5 16
7 22
8 25
x ?
which expression give the output if x is in he input?

A. 2x-1
B. 3x-1
C. 2x+1
D. 3x+1

3 answers

I'll be glad to check your answer.
MS SUE MY ANSWER IS D. IS THAT CORRECT?
Right. :-)
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