Find the following.Find -(-x) when x = 1.94.
A. -194
B. 194
C. 1.94
D. -1.94
Answer: C
Mathematics
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Provide an appropriate response.Suppose that you are solving a system of 4 linear equations and 4 variables by the Gaussian elimination method. If you use the transformation 2R4 + R3, which row(s) of the augmented matrix will change?
A. Rows 4 and 3 B. Row 3 C. Row 4 D. No rows will change.
Mathematics
Simplify the expression.
- sin x
A. sec x B. -csc x C. csc x D. -sec x
Mathematics
Solve the linear equation.2x - 4 + 3(x + 1) = 4x - 4
A. 
B. {4}
C. 
D. 
Mathematics
Provide an appropriate response.Find the absolute minimum value of 
A. Absolute minimum is 3 at x = 6.
B. Absolute maximum is 3 at x = 6.
C. Absolute maximum is 6 at 
D. Absolute minimum is 6 at 
Mathematics