Use the figure below. Determine whether the given statement is true or false. 
A + B + C + D + E = 0
A. True
B. False
Answer: A
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Graph the polar equation.r = 
+ cos ?
A. 
B. 
C. 
D. 
A fixed point of f is a value of x that satisfies the equation f(x) = x; it corresponds to a point at which the graph of f intersects the line y = x. Find all the fixed points of the function. Use preliminary analysis and graphing to determine good initial approximations. Round approximations to six decimal places.f(x) = x2 - 5
A. x ? -1.291288, 2.291288 B. x ? -1.791288, 2.791288 C. x ? -2.291288, 2.291288 D. x ? -2.791288, 3.791288
Solve the quadratic inequality. Write your answer in interval notation.x2 - 3x - 18 ? 0
A. (-?, -3] B. [6, ?) C. [-3, 6] D. (-?, -3] ? [6, ?)
Solve the problem.Of the largest cities in a certain country, 40 are located on its east coast. If its east coast has 8 times as many large cities as the west coast, how many large cities does its west coast have?
A. 320 B. 4 C. 15 D. 5