(Linear Relationships MC)

An indoor soccer field can be rented for personal use. The total cost for renting the field can be found by using the equation y = 225x2 + 60. The x-variable is the number of hours the field is being rented, the constant is the flat rate for renting the field, and the y-variable is the total cost, in dollars.

Which statement is true based on the given equation?

The equation shows a linear relationship, but not a proportional relationship.
The equation shows a linear relationship and a proportional relationship.
The equation does not show a linear relationship or a proportional relationship.
The equation shows a proportional relationship, but not a linear relationship

The correct answer is: The equation shows a linear relationship, but not a proportional relationship.