Simplify using the quotient rule.
A. -9
B. 
C. 
D. 9
Answer: D
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Write the indicated function.A farmer's silo is the shape of a cylinder with a hemisphere as the roof. If the radius of the hemisphere is 10 feet and the height of the silo is h feet, express the volume of the silo as a function of h.
A. V(h) = 100 ?h + 
?h2
B. V(h) = 4100 ?(h - 10) + 
?
C. V(h) = 100 ?(h - 10) + 
?
D. V(h) = 100 ?(h2 - 10) + 
?
Find the equation of the least-squares line for the given data. Draw a scatter diagram for the given data and graph the least-squares line. ? x1234y4689? ?
A. ?
B. ?
C. ?
D. ?
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem.A simplified economy has only two industries, the electric company and the gas company. Each dollar's worth of the electric company's output requires 0.20 of its own output and 0.4 of the gas company's output. Each dollar's worth of the gas company's output requires 0.50 of its own output and 0.7 of the electric company's output. What should the production of electricity and gas be (in dollars) if there is a $16 million demand for electricity and a $7 million demand for gas?
A. Electricity: $115 million; gas: $103.5 million B. Electricity: $107.5 million; gas: $100 million C. Electricity: $125 million; gas: $92.5 million D. Electricity: $97.5 million; gas: $103 million