Graph f(x)=2x+1
Problem
Solution
Identify the type of function. This is a linear function in the slope-intercept form
ƒ(x)=m*x+b wherem is the slope andb is the y-intercept.Determine the y-intercept. The constant term is
1 so the y-intercept is at the point(0,1) Determine the slope. The coefficient of
x is2 which can be written as the fraction2/1 This represents a "rise" of2 units for every "run" of1 unit to the right.Find a second point. Starting from
(0,1) move up2 units and right1 unit to reach the point(1,3) Plot the points
(0,1) and(1,3) on a coordinate plane and draw a straight line passing through them to complete the graph.
Final Answer
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