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9. Astronomers have noticed that the number of visible sunspots varies from a minimum of about 10 to a maximum of about 110 per year. This phenomenon repeats every 11 years and can be modeled by a sinusoidal function. Let t denote the number of years of the occurrence of such phenomenon. If the last maximum occurred in 2003, which of the following models this situation? A. f(t) = 50 cos(t – 2003) + 60 C. f(t) = 50 sin (t – 2003) + 60 D. f(t) = 50 sin“(t – 2003) + 60 B. f(t) = 60 cos (t – 2003) + 50 %3D

9. Astronomers have noticed that the number of visible sunspots varies from a minimum of about 10 to a maximum of about 110 per year. This phenomenon repeats every 11 years and can be modeled by a sinusoidal function. Let t denote the number of years of the occurrence of such phenomenon. If the last maximum occurred in 2003, which of the following models this situation? A. f(t) = 50 cos(t – 2003) + 60 C. f(t) = 50 sin (t – 2003) + 60 D. f(t) = 50 sin“(t – 2003) + 60 B. f(t) = 60 cos (t – 2003) + 50 %3D

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 64E
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9. Astronomers have noticed that the number of visible sunspots varies from a minimum of about 10 to a maximum of about 110 per year. This phenomenon repeats every 11 years and can be modeled by a sinusoidal function. Let t denote the number of years of the occurrence of such phenomenon. If the last maximum occurred in 2003, which of the following models this situation? 2n A. f(t) = 50 cos (t – 2003) + 60 2л C. f(t) = 50 sin (t – 2003) + 60 D. f(t) = 50 sin(t – 2003) + 60 %3D 11 B. f(t) = 60 cos (t – 2003) + 50 11 11
Transcribed Image Text:9. Astronomers have noticed that the number of visible sunspots varies from a minimum of about 10 to a maximum of about 110 per year. This phenomenon repeats every 11 years and can be modeled by a sinusoidal function. Let t denote the number of years of the occurrence of such phenomenon. If the last maximum occurred in 2003, which of the following models this situation? 2n A. f(t) = 50 cos (t – 2003) + 60 2л C. f(t) = 50 sin (t – 2003) + 60 D. f(t) = 50 sin(t – 2003) + 60 %3D 11 B. f(t) = 60 cos (t – 2003) + 50 11 11
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