18. The current in a household appliance varies according to the equation A(t) = 5 sin (120πt), where t represents time, in seconds, and A represents the current, in amperes. Approximate the rate at which the current is changing at 3 seconds. Show your work using the method taught in our MHF4U course.

18. The current in a household appliance varies according to the equation A(t) = 5 sin (120πt), where t represents time, in seconds, and A represents the current, in amperes. Approximate the rate at which the current is changing at 3 seconds. Show your work using the method taught in our MHF4U course.

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter5: Exponential And Logarithmic Functions

Section5.CR: Chapter Review

Problem 16E: Find the intensity of light at a depth of 12 meter if I0=14 and k=0.7. Round to two decimals.

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