Write as a decimal number rounded as indicated.0.; Round to the nearest tenth.

A. 0.38
B. 0.4
C. 0.3
D. 0.39


Answer: B

Mathematics

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If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) =  , x ? -8

A. f-1(x) = x2 - 8, x ? 0
B. f-1(x) = (x + 8)2
C. f-1(x) = 
D. not a one-to-one

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Use positive rational exponents to rewrite the expression. Assume variables are positive.

A. (y + 1)5/2
B. (y + 1)3/10
C. (y + 1)7/10
D.

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The polar coordinates of a point are given. Find the rectangular coordinates of the point.

A.
B.
C.
D.

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Find the general solution for the differential equation.4 - 8xy - x = 0

A. = -  + Cex2
B. = -  + Ce-x2
C. =  + Ce-x2/2
D. = -  + Cex2/2

Mathematics