Find a symbolic representation for f-1(x).f(x) = (x - 9)2
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
+ 9
D. Not a one-to-one function
Answer: D
Mathematics
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = - 5 and x = 5. The cross sections perpendicular to the x-axis are circular disks whose diameters run from the parabola y = x2 to the parabola y = 50 - x2.
A. 
?
B. 
?
C. 
?
D. 5000?
Mathematics
Write the number in expanded form.8,486
A. (8 ? 104) + (4 ? 103) + (8 ? 102) + (6 ? 101) B. (8 ? 101) + (4 ? 102) + (8 ? 103) + (6 ? 104) C. (8 ? 103) + (4 ? 102) + (8 ? 101) + (6 ? 100) D. (8 ? 100) + (4 ? 101) + (8 ? 102) + (6 ? 103)
Mathematics
Simplify the expression by combining any like terms.2x - 6x
A. 8x B. -12x C. -4 + x D. -4x
Mathematics
Find f.
Mathematics