Find the axis of symmetry of the given function.f(x) = -2x2 - 8x - 13
A. x = 2
B. x = -2
C. x = -5
D. x = 5
Answer: B
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Use a calculator to evaluate the expression, or state that the value does not exist. Round the answer to four decimal places when necessary.csch-1 8
A. 0.1247 B. 0.1108 C. 0.0007 D. 1.4905
Find the missing parts of the triangle. A = 10.5°a = 149 ftb = 176 ftIf necessary, round angles to the nearest tenth and side lengths to the nearest foot.
A. B = 12.4°, C = 157.1°, c = 318 ft B. B1 = 12.4°, C1 = 157.1°, c1 = 318 ft B2 = 167.6°, C2 = 1.9°, c2 = 27 ft C. B1 = 157.1°, C1 = 12.4°, c1 = 318 ft B2 = 1.9°, C2 = 167.6°, c2 = 27 ft D. no such triangle
Graph the function.f(x) = x3 - 4x2
A. 
B. 
C. 
D. 
Provide an appropriate response.What must be true about a demand function so that, at a given price per item, revenue will decrease if the price per item is increased?
What will be an ideal response?