Solve the inequality analytically, writing the solution set in interval notation.-5x - 3 ? -6x - 10
A. [-7, ?)
B. (-?, -7]
C. (-5, ?)
D. (-?, -5)
Answer: B
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Find the quotient.
A. 8x8y - 9x8y4 B. 8x7y - 9x8y4 C. 8x7 - 9x8y4 D. 8x7y - 9x8y5
Provide an appropriate response.The area of a circle depends on the length of its radius.(a)Write a function a(r) for the area of a circle.(b)How many square units of sod are needed to cover a circular grass area of radius x?(c)If the radius of the circular grass area is increased by 2 feet, how much more sod is needed?(d)How much more sod is needed per foot increase?(e)If the radius of a circular grass area is increased by h, how much more sod is needed?(f)How much more sod is needed per unit increase?
What will be an ideal response?
Find the domain and the vertical asymptote of the function.f(x) = ln (7 - x)
A. Domain: (-?, 7); vertical asymptote: x = 7 B. Domain: (-7, ?); vertical asymptote: x = -7 C. Domain: (-?, -7); vertical asymptote: x = -7 D. Domain: (7, ?); vertical asymptote: x = 7
A heavy rope, 40ft long, weighs 0.7lb/ft and hangs over the edge of a building 110 ft high. How much work is done in pulling the rope to the top of the building?
a. 670 ft-lb b. 650 ft-lb c. 560 ft-lb d. 630 ft-lb e. 660 ft-lb