Decide whether or not the ordered pair satisfies the system of linear equations.(6, 4);
A. Yes
B. No
Answer: A
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Find the area.Find the area of the region in the first quadrant between the curve y = e-5x and the x-axis.
A. 1
B. 5
C. 
D. 
e
Use an identity to write the expression as a single trigonometric function or as a single number.
A. 
B. 
C. 
D. 
Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.
A. -sin x B. sin x C. cos x D. -cos x
Use a graphing calculator to sketch the graph of the quadratic equation, and then determine the x-intervals over which the graph is increasing and decreasing.y = -2x2 - 3x + 4
A. Increasing: (x > -0.75), Decreasing: (x < -0.75) B. Increasing: (x > 0.75), Decreasing: (x < 0.75) C. Increasing: (x < -0.75), Decreasing: (x > -0.75) D. Increasing: (x < 1.5), Decreasing: (x > 1.5)