Perform the indicated operation.
A. 
B. 
C. - 
D. - 
Answer: C
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Use an identity to write the expression as a single trigonometric function or as a single number.
A. cos 39° B. tan 39° C. cot 39° D. sin 39°
Provide an appropriate response.The revenue R for a product is given by R(x) = 1750x - x2 where x is the number of units sold. Is this function continuous for x = 100?
What will be an ideal response?
True or false:
Tell whether correlation is being used correctly. Identify any statistical errors.A researcher reports that a high correlation has been found between SAT scores and the number of games of golf played in the year prior to the SAT. Jeff decides to play a lot of golf before taking the SAT in order to improve his chances of getting a high score.
What will be an ideal response?