Solve the problem.A generator produces an alternating current according to the equation 
where t is time in seconds and I is the current in amperes. What is the smallest time t such that 
A. 
second
B. 
second
C. 
second
D. 
second
Answer: B
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Translate the sentence into an equation using the variable x.The sum of a number and 5 is 15.
A. x + 15 = 5 B. x + 5 = 15 C. x = 5 + 15 D. 5x = 15
List the elements of the set.If A = {45, 46, 47, 50} and B = {43, 45, 46, 48}, list the elements of 
A. {45, 46} B. {43, 45, 46, 47, 48, 50} C. {43, 47, 48, 50} D. ?
Solve the problem.Find an exponential function to model the data below and use it to predict about how many widgets will be produced in 2019. Round to the nearest million widgets. 
A. 20 million widgets B. 11 million widgets C. 60 million widgets D. 41 million widgets
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00