y = 2x + 1
What is the rule for the function?
In the equation y = 2x + 1, y represents the output or dependent variable and x represents the input or independent variable.
The coefficient of x in this equation is 2, which means that as x increases by 1, y increases by 2. Alternatively, if x decreases by 1, y decreases by 2. This demonstrates a linear relationship between x and y, where the slope or rate of change is constant at a value of 2.
The constant term in this equation is 1, which represents the y-intercept or the point where the line intersects the y-axis. This means that when x is 0, y equals 1.
Overall, this equation represents a straight line that has a positive slope of 2 and crosses the y-axis at the point (0, 1).
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