Find the numbers at which f is continuous. At which numbers is f discontinuous?f(x) = 3 cos x
A. continuous for all real numbers except x = 1
B. continuous for all real numbers except x = 0
C. continuous for all real numbers except x = 3
D. continuous for all real numbers
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Use even and odd properties of the trigonometric functions to find the exact value of the expression.sec 
A. 
B. -2
C. 2
D. - 
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Use any method (analytic or graphical) to solve the equation. If necessary, round the answer to the nearest thousandth.log2 
= 
A. {- 1024, 1024} B. {- 16, 16} C. {- 32, 32} D. {32}
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Solve the problem.The rate of growth of a microbe population is given by 
where x is time in days. What is the net growth between day 1 and day 3?
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