Consider the model for exponential growth or decay given by A = A0 ekt.If k_____ , the function models the amount, or size,of a growing entity. If k_____ , the function models the amount, or size, of a decaying entity.

Algbra

A television show will be canceled if the estimated number of viewers falls below 2.5 million by Week 10. Use the graph shown to the right to write an exponential function to model the situation. If this pattern continues, will the show be canceled? 10 10 Week What is the exponential function that models the situation? OA fx)=0.9(x) O B. fx) = 7(x)99 O c. fx)-0.9(7)* O D. f(x) 7(0.9)* Number of Viewers (millions)

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