Evaluate the expression for the given replacement values.x2 for x = -1.6
A. -25.6
B. -3.2
C. 2.56
D. -2.56
Answer: C
Mathematics
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Given matrices A and B, find the indicated matrix if possible.A =
, B = 
Find AB.
A. 
B. 
C. 
D. 
Mathematics
At what points is the given function continuous?f(x, y) = 
A. All (x, y) such that x ? - y B. All (x, y) ? (0, 0) C. All (x, y) such that x ? y D. All (x, y)
Mathematics
log3 81 = 4
A. 43 = 81 B. 814 = 3 C. 381 = 4 D. 34 = 81
Mathematics
Provide an appropriate response.Suppose that you are solving a system of 4 linear equations in 4 variables by the Gauss-Jordan method. If you use the transformation 10R2 + R3, which row or rows of the augmented matrix, if any, will change?
A. Row 2 B. Row 3 C. Rows 2 and 3 D. None
Mathematics