(I will mark brainlest, I'm just really confused.) (25 POINTS & BRAINLEST)

The table shows the number of runners, in thousands, who participated in the Center Marathon in each of the given years.

The data follows a quadratic regression model.

Part 1: Estimate the number of runners who participated in the marathon in 2001

Part 2: Predict the year 80,000 runners will compete in the Center Marathon

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

c

step-by-step explanation:

10 - 75

step-by-step explanation:

there's nothing attached so it's most likely anything in that range.