Solve the problem.A company installs 5,000 light bulbs. Each bulb has an average life of 500 hours with a standard deviation of 100 hours. The life of each bulb is approximated by a normal curve. Find the number of bulbs that can be expected to last between 290 hours and 540 hours.
A. 1639 bulbs
B. 3188 bulbs
C. 3190 bulbs
D. 1641 bulbs
Answer: B
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Solve the problem.A window is in the form of a rectangle surmounted by a semicircle. The rectangle is of clear glass, whereas the semicircle is of tinted glass that transmits only one-fifth as much light per unit area as clear glass does. The total perimeter is fixed. Find the proportions of the window that will admit the most light. Neglect the thickness of the frame.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Provide an appropriate response.If g(x) = 
, find g(x - 1)
What will be an ideal response?
Give the equation of the horizontal asymptote, if any, of the function. f(x) = 
A. y = -1, y = 1 B. y = -4 C. no horizontal asymptotes D. y = 0
Write the trigonometric expression as an algebraic expression containing u and v.cos(sin-1 u + cos-1 v)
A. uv + (
)(
)
B. v
- u
C. uv - (
)(
)
D. v
+ u