Find the domain and the range for the function.
A. Domain: (-?, 0) ? (0, ?), Range: (-?, 0) ? (0, ?)
B. Domain: (0, ?), Range: [0, ?)
C. Domain: (-?, ?), Range: [4, ?)
D. Domain: (-?, 0), Range: (-?, 0)
Answer: C
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Two similar triangles are given. Find the proportionality constant k such that the length of each side of the larger triangle is k times the length of the sides of the smaller triangle. Then find the length of the missing sides of each triangle.
A. k = 3.6; JL = 36, MN = 5 B. k = 4.5; JL = 36, MN = 4 C. k = 7.5; JL = 54, MN = 3 D. k = 6; JL = 54, MN = 4
Write the complex number in trigonometric form. Begin by sketching the graph to help find the argument ?.
?
What will be an ideal response?
Graph the given parabola.y = -4x2 + 24x - 37
A. 
B. 
C. 
D. 
Solve the problem.Two trains leave a train station at the same time. One travels east at 9 miles per hour. The other train travels west at 10 miles per hour. In how many hours will the two trains be 95 miles apart?
A. 5 hr B. 10 hr C. 5.5 hr D. 2.5 hr