SOLUTION: what is a rule for the function repersented by (o,-2),(1,-1),(2,2),(3,7)? Explain your reasoning.

Question 530490: what is a rule for the function repersented by (o,-2),(1,-1),(2,2),(3,7)? Explain your reasoning.
Found 2 solutions by stanbon, josmiceli:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
what is a rule for the function represented by
(0,-2),(1,-1),(2,2),(3,7)?
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y = x^2-2
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Cheers,
Stan H.
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Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
It's not a straight line, so I'ii assume it's a
2nd degree equation in the form

(0,-2)

(1,-1)

(2,2)

by substitution:

The equation so far is
answer
Does it go through (3,7) ?
yes
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