Write an equation for a cross section of the parabolic ear (used to hear sounds from a distance) shown in the picture.

?
d = 2.25 inches
A.
B. ?
C. ?
D. ?
E.
Answer: E
Mathematics
You might also like to view...
Determine whether the sequence converges or diverges, and, if it converges, find an.an = ln
n
A. 0 B. ln 8 C. 8 D. Diverges
Mathematics
Rationalize the denominator.
?
What will be an ideal response?
Mathematics
Solve for the specified letter.A = bh, for b
A. b = Ab
B. b =
C. b = A - b
D. b =
Mathematics
Describe the transformations that produce the graph of g from the graph of f. ; g(x) =
+ 7
A. Shift it 10 units to the right and 7 units up.
B. Shift it 10 units to the left and 7 units down.
C. Stretch vertically by a factor of . Shift it 7 units up.
D. Stretch vertically by a factor of 10. Shift it 7 units up.
Mathematics