Find all solutions of the equation in the interval [0, 2?). Round the solution to four decimal places.2 csc x - 9 = 0
A. {0.2241, 2.9175}
B. {0.2241}
C. {0.2241, 6.0591}
D. {0.2241, 3.3657}
Answer: A
Mathematics
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Factor by grouping.5xy + 20x + 7y + 28
A. (5x + 4)(y + 7) B. (5x + 7)(y + 4) C. (5x + 7y)(y + 4) D. (5x + y)(7y + 4)
Mathematics
Find the exact value of the indicated trigonometric function of ?.cos ? = 
, tan ? < 0Find sin ?.
A. -
B. - 
C. - 
D. - 
Mathematics
?Find the relative maxima, and use a graphing utility to check your results. Round your answer to the two decimal places.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?does not exist
Mathematics
Rewrite with rational exponents.
A. m7/2
B. m2/7
C. -m7/2
D. 
Mathematics