Question

The x-axis ranges from -5 to 5 in increments of 1, the y-axis ranges from -100 to 800 in increments of 100. The line passes through the following coordinates: (-5, 53), (-4, 56), (-3, 62), (-2, 75), (-1, 100), (0, 150), (1, 250), (2, 450), and (3, 850).

Two college roommates are studying an invasive species at the local park. What was the size of the population when they first started recording data on the invasive species? (Round to the nearest tens.)

Answer 1

The earliest recorded data point is at x = -5 with population 53. Rounded to the nearest ten, that is 50.