Joseph's grandparents get him a puppy for his thirteenth birthday, and he names the puppy Bailey. Joseph does a good job taking care of Bailey, and she's growing so fast! When Bailey is 1 month old, she weighs 3 pounds. When she is 3 months old, she weighs 6 pounds. In this relationship, x represents Bailey's age (in months), and y represents her weight (in pounds). Explain why this is not a proportional relationship.

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)