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Question

# The current and estimated resident populations (in percent) of blacks and Hispanics in the United States for the years $1990-2050$ are modeled by the linear functions defined below.$\begin{array}{ll} y=.0515 x+12.3 & \text { Blacks } \\ y=.255 x+9.01 & \text { Hispanics } \end{array}$In the case, $x$ represents the number of years since 1990.($c$) Use a calculator graph of the system to support your algebraic solution.

Solution

Verified
Answered 1 year ago
Answered 1 year ago

Using a graphing calculator, we need to verify that our answer is correct in part $a$. First, input the given equations in the calculator and look for the point of intersection. Since the point of intersection is $(16.167,13.133)$, then our answer in part $a$ is correct.

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