Solve the problem.What are the x-intercepts of the graph of f(x) = 4 cos2 x - 3 on the interval [0, 2?]?
A. 
, 
, 
, 
B. 
, 
C. 
, 
D. 
, 
, 
, 
Answer: D
Mathematics
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Simplify the radical.
A. 16
B. 4
C. 4
D. 4
Mathematics
Solve the problem.Jon has 578 points in his math class. He must have 66% of the 1000 points possible by the end of the term to receive credit for the class. What is the minimum number of additional points he must earn by the end of the term to receive credit for the class?
A. 381 points B. 422 points C. 660 points D. 82 points
Mathematics
Solve the equation f(x) = 0 analytically and then use the graph of y = f(x) to solve the inequalities f(x) < 0 and 
f(x) = ln(x + 1)
A. {0}; (-1, 0); [0, ?) B. {2}; (2, ?); [1, 2) C. {2}; (1, 2); [2, ?) D. {0}; (0, ?); [-1, 0)
Mathematics
Determine whether the first number is divisible by the second number.3731; 7
A. Yes B. No
Mathematics