Describe the transformation required to obtain the graph of the given function from the basic trigonometric graph.y = -tan 
x + 9
A. Reflection across the x-axis, horizontal shrink by a factor of 
, and vertical translation down 9 units.
B. Horizontal stretch by a factor of 5 and a vertical translation up 9 units.
C. Reflection across the x-axis, horizontal translation to the right 5 units, and vertical translation up 9 units.
D. Reflection across the x-axis, horizontal stretch by a factor of 5, and vertical translation up 9 units.
Answer: D
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Solve the exponential equation. Round to three decimal places when necessary.350 - (1.77)x = 0
A. 11.493 B. 9.025 C. 10.259 D. 11.272
Solve the problem.An insurance company says that at age 50 one must choose to take 
at age 60, $30,000 at 70, or $50,000 at 80 ($0 death benefit). The probability of living from 50 to 60 is .82, from 50 to 70, 
, and from 50 to 80, 0.46. Find the expected value at each age.
A. 60 - $8200 70 - $24,600 80 - $41,000 B. 60 - $8200 70 - $13,800 80 - $23,000 C. 60 - $6100 70 - $18,300 80 - $23,000 D. 60 - $8200 70 - $18,300 80 - $23,000
Solve the equation.log3(x + 4) = -2
A. 
B. 
C. 
D. 
Factor the trinomial completely.36x3y - 84x2y2 + 49xy3
A. xy(6x + 7y)2 B. xy(6x - 7y)2 C. xy(6x - 7y)(6x + 7y) D. (36x2y + xy)(x + 49y2)