Give the exact value.sec 
A. 
B. - 
C. - 
D. -2
Answer: B
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Solve the problem.Select an appropriate graph of a twice-differentiable function y = f(x) that passes through the points (- src="https://sciemce.com/media/4/ppg__tttt0615190936__f1q232g6.jpg" style="vertical-align: -20.0px;" />
,1) , 
, (0,0), 
and (
,1), and whose first two derivatives have the following sign patterns.y' : 
y":
A. 
B. 
C. 
D. 
Solve the problem.Points A and B are on opposite sides of a lake. Point C is 101.0 meters from A. The measure of angle BAC is 76°30', and the measure of angle ACB is determined to be 39°30'. Find the distance between points A and B (to the nearest meter).
A. 36 m B. 71 m C. 34 m D. 69 m
Solve the system by the addition method.
A. {(2, -6), (2, 6)} B. {(-2, -6), (-6, -2)} C. {(2, 6), (6, 2), (-2, -6), (-6, -2)} D. {(2, 6), (-2, 6), (2, -6), (-2, -6)}
Find an equation for the parabola described.Vertex at (3, -8); focus at (3, -9)
A. (x - 3)2 = -4(y + 8) B. (x - 3)2 = 4(y + 8) C. (y - 8)2 = -24(x + 3) D. (y - 8)2 = 24(x + 3)