The two lines are the the same because they both have the same curve except the first equation is positive and the second equation is negative. Also, the function are identical except that the blue formula is has a negative three (-3).
Give the readers more information. What were the two functions? What formula has a negative three and was it the exponent or the coefficient of a term?
Give the readers more information. What were the two functions? What formula has a negative three and was it the exponent or the coefficient of a term?
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