Simplify the radical. Assume that all variables represent nonnegative real numbers. 
A. 4xy
B. 4xy2 
C. 4x2 
D. 4x
Answer: D
Mathematics
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Use point-by-point plotting to sketch the graph of the equation.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Write with only positive exponents. Assume that variables represent positive real numbers.
A. 1
B. 
C. 66
D. 0
Mathematics
Define T: R2 ? R2 by T(x) = Ax, where A is the matrix defined below. Find the requested basis B for R2 and the corresponding B-matrix for T.Find a basis B for R2 and the B-matrix D for T with the property that D is an upper triangular matrix.A = 
A.
B = 
, D = 
B.
B = 
, D = 
C.
B = 
, D = 
D.
B = 
, D = 
Mathematics
Find the value of the expression without using a calculator.2log27
A. 7 B. 49 C. 128 D. 2
Mathematics