Find an equation of the parabola described.Focus at (5, 0); vertex at (0, 0)
A. y = 20x2
B. x = 20y2
C. x2 = 20y
D. y2 = 20x
Answer: D
You might also like to view...
Solve the problem.Suppose the government wants to impose a tax on fossil fuels to reduce carbon emissions. The cost benefit is modeled by 
where x represents the dollars of tax per ton of carbon emitted and P represents the percent reduction in emissions of carbon. (P is in decimal form.) Determine P when 
Round to three decimal places.
A. -0.14 B. -0.235 C. 0.239 D. 1.761
Multiply.0.05 × 0.8
A. 0.4 B. 4 C. 0.04 D. 0.004
Solve the problem.Suppose a business can sell x gadgets for p = 250 - 0.01x dollars apiece, and it costs the business 
dollars to produce the x gadgets. Determine the production level and cost per gadget required to maximize profit.
A. 10,000 gadgets at $150.00 each B. 111 gadgets at $248.89 each C. 11,250 gadgets at $137.50 each D. 13,750 gadgets at $112.50 each
Based on the graph, find the range of y = f(x).f(x) = 
A. [0, 
]
B. [0, 4)
C. [0, ?)
D. [0, 4]