Solve the inequality.x2 + 6x ? -8
A. 2 ? x ? 4
B. 2 < x < 4
C. -4 ? x ? -2
D. x ? 2 or x ? 4
Answer: C
Mathematics
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P(E) is the probability of an event E occurring, and O(E) is the odds of an event E occurring. Solve the following problem.If P(E)=
, find O(E).
A. 3:7 B. 4:7 C. 3:10 D. 3:4
Mathematics
Find the requested value.f(x) = 3x2 + 3, g(x) = x + 7Find f(-5) - g(-5).
A. 90 B. 76 C. -73 D. 66
Mathematics
Solve the problem. Round to the nearest tenth.The roof of a building is in the shape of the hyperbola y2 - 3x2 = 39, where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.
a = b = 7 m
A. 186 m B. 13.6 m C. 52 m D. 7.2 m
Mathematics
Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The distance from my town to the next town is 9 
.
A. km
B. cm
C.
| mm |
D. m
Mathematics