Grow an equation for the exponential graph. Given a graph of an exponential function, class members write the equation of the function provided. The graph labels two points on the graph: the y-intercept and the point where x is one.

Concepts

exponential equations, exponential functions, creating equations, growth rate, exponential growth, graphing functions, function notation

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Additional Tags

math

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Instructional Ideas

• Provide a mini-lesson on finding the growth rate given two points
• Differentiate the assessment by not telling the more advanced pupils the function is exponential

Classroom Considerations

• Individuals should know how to find the initial value from a graph

Pros

• Contains descriptions of common misconceptions
• Provides teacher questions to use to gain understanding of students' thinking

Cons

• None

Common Core

HSF-LE.A.2