What is the equation of the line that passes through points (2, 5) and (4, 9)?
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Question: Graph the exponential function y = 2^x on a coordinate plane using the values of x from -3 to 3. Identify the y-intercept and the point where the graph intersects the x-axis.
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Question: Graph the inequality system 2x + 3y ≤ 15 and 4x - y > 8. How many integer solutions exist within the graphed region?