SOLUTION: The average age of the groom in a marriage for a given age of the bride can be approximated by the model y = −0.00428x^2 + 1.442x − 3.136 20 ≤ x ≤ 55 w

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Question 851350: The average age of the groom in a marriage for
a given age of the bride can be approximated
by the model
y = −0.00428x^2 + 1.442x − 3.136
20 ≤ x ≤ 55
where y is the age of the groom and x is the
age of the bride.
For what age of the bride is the average age
of the groom 30?
Answer in units of years
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi, 

f(x) = −0.00428x^2 + 1.442x − 3.136

Using a graphing calculator

30 = −0.00428x^2 + 1.442x − 3.136 

  x = 25, the bride's age 

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