Solve the inequality analytically. Support the answer graphically. Give exact values for endpoints.x2 - 6x - 7 ? 0
A. [7, ?)
B. [-1, 7]
C. (-?, -1]
D. (-?, -1] ? [7, ?)
Answer: B
Mathematics
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Find the area enclosed by the given curves.Find the area of the region in the first quadrant bounded on the left by the line y = 
and on the right by the curves y = tan 2 x and y = cot 2 x. (Round to four decimal places.)
A.
| 0.5858 |
B. 0.4126
C. 4.3094
D. 0.3094
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."3(a + 13) - y(a + 13)
A. (a + 13)(3 + y) B. (a + 13)(3 - y) C. (a - 13)(y - 3) D. Prime
Mathematics
Find the ordinary interest to the nearest cent.$18,000 at 9% for 90 days
A. $400.50 B. $405.00 C. $1,620.00 D. $18,405.00
Mathematics
Convert as indicated.2800 cm to meters
A. 28 m B. 2,800,000 m C. 2.8 m D. 280,000 m
Mathematics