Write a rule for the function represented by the table.

___________________
Input(x)|0|1|2|3|4|
Output(y)|3|6|9|12|15|

A. y=3x
B. y=3x+3
C. y=5x+1
D. y=x+5

Please help me!!!

2 answers

note that y increases by 3 for each increase of 1 in x.
So, first guess is y=3x

Now adjust that so it fits the table.
is it a b c d
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