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Alg2 lesson 10-1
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Alg2 lesson 10-1

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Alg2 lesson 10-1 Alg2 lesson 10-1 Presentation Transcript

  • An exponential function has the form y = a (b)x Exponential growth: b > 1 Exponential decay: 0 < b < 1
  • Sketch the graph of . Then state the function’s domain and range. x –2 –1 0 1 1 4 2 16Domain: all real numbers Exponential GrowthRange: all positive numbers
  • Graph x (0.7)x –2 2.04 –1 1.43 0 1 1 0.7 2 0.49 Exponential decay
  • Determine whether each function representsexponential growth or decay.a. Answer: exponential decayb. Answer: exponential growthc. Answer: exponential decay
  • Simplify .Simplify .
  • Solve
  • Solve