Solve the problem.The current I, in amperes, flowing through a particular ac (alternating current) circuit at time t seconds is I = 110 sin (40?t)What is the period and amplitude of the current?
A. period = 
second, amplitude = 120
B. period = 40? seconds, amplitude = 
C. period = 
second, amplitude = 40
D. period = 
second, amplitude = 110
Answer: D
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What will be an ideal response?
The highest level of diversification is
A. related constrained B. related linked C. unrelated D. unconstrained
Evaluate the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Translate the equation into a sentence by using the phrase "varies directly" or "varies inversely". w = k
A. w varies directly as the cube root of y. B. w varies inversely as the cube root of y. C. w varies directly as the cube of y. D. w varies inversely as the cube of y.