Find all relative maxima or minima.y = ln x - x
A. (1, -1), relative maximum
B. (-1, -1), relative maximum
C. (-1, 0), relative minimum
D. (1, 0), relative minimum
Answer: A
You might also like to view...
Solve the inequality. Give the solution set in both interval and graph forms.-37 < 5x - 7 and 5x + 7 < -3
A. [-6, -2]
B. [-6, -2)
C. (-6, -2]
D. (-6, -2)
Sketch the surface z = f(x,y).f(x, y) = 
A. 
B. 
C. 
D. 
The loudness L(x), measured in decibels, of a sound of intensity x, measured in watts per square meter, is defined as 
watt per square meter is the least intense sound that a human ear can detect. Determine the loudness, in decibels, of the sound.At a recent Phish rock concert, sound intensity reached a level of 0.50 watt per square meter. To the nearest whole number, calculate the loudness of this sound in decibels.
A. 107 decibels B. 123 decibels C. 117 decibels D. 112 decibels
Factor out the greatest common factor.120x8y9 + 120x3y7 + 84x6y2
A. 12x3y2(10x5y7 + 10y5 + 7x3) B. 12x3(10x5y9 + 10y7 + 7x3y2) C. No common factor (except 1) D. 12(10x8y9 + 10x3y7 + 7x6y2)