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Arada [10]
3 years ago
14

The linear function that models the population of rainbow smelt is y1 = −19.76x + 227, where x = the years since 1990 and y1 = t

he number of rainbow smelt. The linear function that models the population of bloater fish is y2 = . The linear equation that determines when the two populations were equal is ✔ –19.76x + 227 = –92.57x + 1052 . The solution is x = years.
History
1 answer:
algol133 years ago
4 0

The linear function that models the population of bloater fish is <em><u>y</u></em><em><u>2</u></em><em><u>=</u></em><em><u> </u></em><em><u>-</u></em><em><u>9</u></em><em><u>2</u></em><em><u>.</u></em><em><u>5</u></em><em><u>7</u></em><em><u>x</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>1</u></em><em><u>, </u></em><em><u>0</u></em><em><u>5</u></em><em><u>2</u></em><em><u> </u></em>

The linear equation that determines when the two populations were equal is

<em><u>-</u></em><em><u>1</u></em><em><u>9</u></em><em><u>.</u></em><em><u>7</u></em><em><u>6</u></em><em><u>x</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>2</u></em><em><u>2</u></em><em><u>7</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>-</u></em><em><u>9</u></em><em><u>2</u></em><em><u>.</u></em><em><u>5</u></em><em><u>7</u></em><em><u>x</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>1</u></em><em><u>0</u></em><em><u>5</u></em><em><u>2</u></em>

The solution is x= <em><u>1</u></em><em><u>1</u></em><em><u>.</u></em><em><u>3</u></em><em><u>3</u></em> years

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