Equation for translation of 2 units left and 9 units down

What is the first step of an indirect proof of a number that is divisible by two

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

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.