Graph the polar equation.r = 
A. 
B. 
C. 
D. 
Answer: C
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Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = (x - 4)2 + 2
A. Vertex: (-4, 2)
B. Vertex: (-4, -2)
C. Vertex: (4, -2)
D. Vertex: (4, 2)
Find the additive inverse of the matrix.
?
?
A. 
?
B. ??
C. 
?
D. 
?
E. 
?
Express the given function H as a composition of two functions f and g such that H(x) = (f ? g)(x).H(x) = (-3x - 11)6
A. f(x) = -3x6, g(x) = x - 11 B. f(x) = (-3x)6, g(x) = -11 C. f(x) = -3x - 11, g(x) = x6 D. f(x) = x6, g(x) = -3x - 11
Solve the problem.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of 
is needed to keep an 
car traveling at 20 mph from skidding on a curve of radius 
what force would be required to keep the same car from skidding on a curve of radius 
style="vertical-align: -4.0px;" /> at 
Round your answer to the nearest pound of force?
A. 20,149 lb
B. 20,719 lb
C. 20,017 lb
D. 20,181 lb