The rectangular coordinates of a point are given. Express the point in polar coordinates with 
and 
(-
, -
)
A. (4, 225°)
B. (
, 135°)
C. (2, 315°)
D. (2, 225°)
Answer: D
Mathematics
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Evaluate.P(8, 4)
A. 8 B. 1 C. 1680 D. 336
Mathematics
Graph the function.y = 6 sec 
A. 
B. 
C. 
D. 
Mathematics
Graph the parabola and give its vertex, axis, x-intercepts, and y-intercepts.f(x) = -x2 - 4x - 3
A. vertex (-2, -1); axis is x = -2;
x-intercepts are -1 and - 3; y-intercept is 3
B. vertex (2, 1); axis is x = 2;
x-intercepts are 1 and 3; y-intercept is -3
C. vertex (2, -1); axis is x = 2;
x-intercepts are 1 and 3; y-intercept is 3
D. vertex (-2, 1); axis is x = -2;
x-intercepts are -1 and - 3; y-intercept is -3
Mathematics
A graph of a function of the form y = abx is given. What can you conclude about the constants a and b?
A. a < 0, 0 < b < 1 B. a > 0, b > 1 C. a < 0, b > 1 D. a > 0, 0 < b < 1
Mathematics