Solve the problem.A satellite dish has a parabolic cross section and is 12 ft deep. The focus is 16 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.
A. 63 ft
B. 59 ft
C. 57 ft
D. 55 ft
Answer: D
Mathematics
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Use a formula to express w as a function of t if 
and 
.
?
A. 
B. 
C. 
D. 
Mathematics
Graph the linear function and give the domain and range.g(x) = x + 6
A. D = (-?, ?),
R = (-?, ?)
B. D = (-?, ?),
R = (-?, ?)
Mathematics
Sketch the graph of the function and its inverse on the same coordinate axes.f(x) = 2x + 5 
A. 
B. 
C. 
D. 
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Find the slope of the line and sketch its graph.y - 5 = 0 
A. slope = 
B. slope = 0
C. slope is undefined
D. slope = 5
Mathematics