Determine the sign (positive or negative) of the given value without use of a calculator.tan 154°
A. Negative
B. Positive
Answer: A
Mathematics
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We locate the position of a car driving on an east-west highway as distance east. If the car is driving west at a speed of 60 miles per hour, what can be said about velocity?
A. Velocity is 60 miles per hour. B. Velocity is -60 miles per hour. C. Velocity is 0 miles per hour. D. None of the above.
Mathematics
Write the percent as a decimal.0.054%
A. 0.0054 B. 0.00054 C. 0.000054 D. 5.4
Mathematics
Determine whether f is continuous at c.f(x) = 
;c = -3
A. not continuous B. continuous
Mathematics
Answer the question, concerning the use of substitution in integration.If we use u = x2 + 2 as a substitution to find 
then which of the following would be a correct result?
A. 
B. 
C. 
D. None of the above
Mathematics