Simplify the expression. Assume that all variables are positive when they appear.

A. 5xy
B. 9xy
C. 9xy
D. 9xy


Answer: D

Mathematics

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Divide and simplify. ÷ 

A.
B.
C.
D.

Mathematics

Use the Intermediate Value Theorem to determine whether the polynomial function has a real zero between the given integers.f(x) = 2x4 - 7x2 - 6; between 2 and 3

A. f(2) = 2 and f(3) = -93; yes B. f(2) = -2 and f(3) = 93; yes C. f(2) = -2 and f(3) = -93; no D. f(2) = 2 and f(3) = 94; no

Mathematics

Write in logarithmic form.10241/5 = 4

A.  = log4 1024
B. 4 = log1/5 1024
C.  = log1024 4
D. 4 = log1024 

Mathematics

Find the barycentric coordinates of p with respect to the affinely independent set of points that precedes it. , p = 

A.
B. (-9, 3, 7)
C.
D.

Mathematics