Question

Use the image to answer the question.

A coordinate plane has a y-axis titled Invasive Species Population and an x-axis titled Years. A curved line begins flat at the bottom of quadrant 2, passes through the y-axis, and with a steep curve, continues upward and right to the top of quadrant 1.
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The x-axis ranges from negative 5 to 5 in increments of 1. The y-axis ranges from negative 100 to 800 in increments of 100. The line passes through the following coordinates: left parenthesis negative 5 comma 53 right parenthesis, left parenthesis negative 4 comma 56 right parenthesis, left parenthesis negative 3 comma 62 right parenthesis, left parenthesis negative 2 comma 75 right parenthesis, left parenthesis negative 1 comma 100 right parenthesis, left parenthesis 0 comma 150 right parenthesis, left parenthesis 1 comma 250 right parenthesis, left parenthesis 2 comma 450 right parenthesis, and left parenthesis 3 comma 850 right parenthesis. Values not directly crossing marked increments are approximate.

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

(1 point)
When they began recording their data, the population of the invasive species was
.

Answer 1

150