Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 
, w = 
A. 95.2°
B. -84.8°
C. 174.8°
D. 5.2°
Answer: C
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Express as a single logarithm and, if possible, simplify.ln (72x + 36) - 2 ln 6
A. ln (72x) B. ln (1296(2x + 1)) C. ln (6x + 2) D. ln (2x + 1)
Three hundred students attended the dedication ceremony of a new building on a college campus. The president of the traditionally female college announced a new expansion program, which included plans to make the college coeducational. The number of students who learned of the new program t hours later is given by the function 
.
? If 600 students on campus had heard about the new program 2 hours after the ceremony, how many students had heard about the policy after 4 hours? __________ ? How fast was the news spreading 4 hours after the ceremony? Round the answer to the nearest integer. __________ What will be an ideal response?
Find the vertices and foci of the given ellipse.9x2 + 4y2 = 36
A. Vertices: (0, 9) and (4, 0);
Foci: (0, 3) and (2, 0)
B. Vertices: (0, 3) and (0, -3);
Foci: (0, 
) and (0, -
)
C. Vertices: (3, 0), (-3, 0);
Foci: (
, 0) and (-
, 0)
D. Vertices: (0, 9) and (0, -9);
Foci: (0, 3) and (0, -3)
Determine if the relation is a function. Assume x is the independent variable.{(-3, 8), (1, 3), (3, 0), (7, -1)}
A. Yes B. No