Solve the problem.A satellite dish is shaped like a paraboloid of revolution. The signals that emanate from a satellite strike the surface of the dish and are reflected to a single point, where the receiver is located. If the dish is 8 feet across at its opening and is 2 feet deep at its center, at what position should the receiver be placed?
What will be an ideal response?
The receiver should be located 2 feet from the base of the dish, along its axis of symmetry.
Mathematics
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For the restaurant bill, estimate the tip. Then find the exact amount of the tip. State your answers to the nearest hundredth.The restaurant bill is $83.85. Give the estimate of a 15% tip and the exact amount of a 15% tip.
A.
| Estimate: $8.00 | Exact: $8.39 |
B.
| Estimate: $12.00 | Exact: $12.58 |
C.
| Estimate: $20.00 | Exact: $20.96 |
D.
| Estimate: $16.00 | Exact: $16.77 |
Mathematics
Provide an appropriate response.What is the midpoint of the segment joining (a, z) and (-5a, 7z)?
A. (-3a, 4z) B. (-2a, 4z) C. (2a, 3z) D. (-4a, 8z)
Mathematics
The slope of the tangent line to the graph of the exponential function 
at the point (0, 1) is 
Estimate the slope to three decimal places.
What will be an ideal response?
Mathematics
Identify which graph matches the equation.f(x) = (x + 1)2
A. 
B. 
C. 
D. 
Mathematics