In Exercises 48–51, determine whether each statement makes sense or does not make sense, and explain your reasoning.

Because the percentage of the U.S. population that was foreign-born decreased from 1910 through 1970 and then increased after that, a quadratic function of the form f(x) = ax² + bx + c, rather than a linear function of the form f(x) = mx + b, should be used to model the data.