Graph the solution set of the following system of inequalities and find the coordinates of points where any lines intersect.

A.

B.

C.

D.


Answer: A

Mathematics

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Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.  - 

A.
B.
C.
D.

Mathematics

Simplify.12 + 9 ÷ 3 ? 5 - 9

A. 36 B. 18 C. 26 D. 81

Mathematics

Using a parametric graph of the unit circle, find the function value.cos 

A. -0.4142 B. -0.3827 C. 0.9239 D. -2.4142

Mathematics

Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: -1, 2, and 1 - 2i.

A. f(x) = x4 - x3 + x2 + 9x - 10 B. f(x) = x4 - x3 + 3x2 - 5x - 10 C. f(x) = x4 - 3x3 + 5x2 - x - 10 D. f(x) = x4 - 3x3 - 3x2 + 7x + 6

Mathematics