Solve the problem.A sealed-beam headlight is in the shape of a paraboloid of revolution. The bulb, which is placed at the focus, is 3 centimeters from the vertex. If the depth is to be 6 centimeters, what is the diameter of the headlight at its opening?
Fill in the blank(s) with the appropriate word(s).
about 17 cm
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For the given polar equation, write an equivalent rectangular equation.r2 = 50r cos ? - 6r sin ? - 9
A. 50x - 6y = 9 B. (x - 25)2 + (y + 3)2 = 9 C. (x + 50)2 + (y - 6)2 = 9 D. (x - 25)2 + (y + 3)2 = 625
Provide an appropriate response.A major advantage to using an escrow account is:
A. all of these apply to escrow B. it assures the lending agency that property taxes and insurance will be paid in a timely fashion C. the borrower is not required to include an amount for property taxes and insurance each month with their mortgage payment D. the monthly mortgage payment will be reduced by the tax and insurance payment
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Find the given value.Find 
when f(x) = x2 - 2 and g(x) = 2x + 1
A. - 
B. 
C. 0
D. Does not exist