Solve the right triangle shown in the figure.
?A = 30°,
= 18 ft, ?C = 90°
A. ?B = 60°, = 9
ft,
= 36 ft
B. ?B = 60°, = 36 ft,
= 9
ft
C. ?B = 60°, = 36 ft,
= 18
ft
D. ?B = 60°, = 18
ft,
= 36 ft
Answer: D
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Solve the problem.Find (f?g)(0) when f(x) = 6x + 5 and g(x) = -1/x.
A. -
B. 5
C. 0
D. Undefined
Subtract.
A. 29,552 B. 24,522 C. 24,542 D. 24,552
Find all values of ? in [0, 360°) for which the following is true.cos ? =
A. 150° and 210° B. 60° and 300° C. 60° and 120° D. 210° and 330°
Rotate the axes so that the new equation contains no xy-term. Discuss the new equation.xy +16 = 0
A. ? = 36.9° +
= 1
ellipse
center at (0, 0)
major axis is the x'-axis
vertices at (±2, 0)
B. ? = 45°
y'2 = -32x'
parabola
vertex at (0, 0)
focus at (-8, 0)
C. ? = 45° +
= 1
ellipse
center at (0, 0)
major axis is y'-axis
vertices at (0, ±4)
D. ? = 45° -
= 1
hyperbola
center at (0, 0)
transverse axis is y'-axis
vertices at (0, ±4)