38. Determine if y=2x+1 is a function.

No, it is not?
because with each value of x you get more than one value of y..
I still haven't mastered this questions

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asked by y912f
  1. Nope, you get one value of y for each value of x.

    x y
    0 1
    2 5
    7 15 and so on

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