Solve.The braking distance D in feet required for a car traveling x miles per hour to stop on wet, level pavement can be approximated by 
Calculate the braking distance for 41 miles per hour. If necessary, round the answer to the nearest tenth of a foot.
A. 369 ft
B. 4.6 ft
C. 186.8 ft
D. 1681 ft
Answer: C
Mathematics
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Find an upper bound for the magnitude |E| of the error in the approximation f(x, y) ? L(x, y) at the given point over the given region R.
at 
; R: |x - 1| ? 0.1, |y - 1| ? 0.1
A. |E| ? 0.0106 B. |E| ? 0.0128 C. |E| ? 0.0158 D. |E| ? 0.02
Mathematics
Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by the circle x2 + y2 = 25, on the right by the line 
, and above by the line y = 5
A. 125?
B. 
?
C. 
?
D. 
?
Mathematics
Decide whether the figure shown is a polyhedron.
A. Not a polyhedron B. Polyhedron
Mathematics
Evaluate the expression, if possible.-321/5
A. 32 B. 16 C. -8 D. -2
Mathematics