Find the domain of the rational function.f(x) = 
A. {x|x ? -3, 5}
B. {x|x ? -5, -3, 3}
C. {x|x ? -5, 3}
D. all real numbers
Answer: C
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Determine ratio of A to B. Round as indicated.A = 49? square centimeters is the area of a circle with diameter 14 centimeters. B = 196 square centimeters is the area of a square with sides of length <14 centimeters. (Do not round.)
A. 
B. 
C. 
D. 
A sign is hung on the wall of a building as in the figure below. Given the downward force and the horizontal force, determine the minimum required strength of a cable from point A to point B.
Downward force: 25 pounds; horizontal force: 60 pounds
A. 35 pounds B. 65 pounds C. 54.54 pounds D. 85 pounds
Write the standard equation for the following circle.
A. (x - 4)2 + (y + 4)2 = 9 B. (x - 4)2 + (y + 4)2 = 3 C. (x + 4)2 + (y - 4)2 = 3 D. (x + 4)2 + (y - 4)2 = 9
Find the function value.Find f(-1) if f(x) = x2 + 4x + 6.
A. 11 B. -1 C. -9 D. 3