Which of the following regression models is used to model a nonlinear relationship between the independent and dependent variables by including the independent variable andthe square of the independent variable in the model?

a.
a multiple regression model

b.
a least squares regression model

c.
quadratic regression model

d.
a simple regression model

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4