Find the slope of the line tangent to the graph of the function at the given value of x.y = -x-5 + x-3; x = 1
A. -8
B. -2
C. 8
D. 2
Answer: D
Mathematics
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Use a calculator to approximate the expression to three decimal places. If the expression is not a real number, state this.
A. 2.236 B. 1.232 C. not a real number D. 5.586
Mathematics
Write interval notation.{x? x ? 3}
A. (-?, 3) B. [3, ?) C. (-?, 3] D. (3, ?)
Mathematics
Provide an appropriate response.Construct a truth table to determine whether or not the following implication is true: 
What will be an ideal response?
Mathematics
Find the value of the determinant.
A. 60 B. 0 C. -12 D. 1
Mathematics