Graph the requested union or intersection.Union
A. 
B. 
C. 
Answer: C
Mathematics
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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: 12 pounds; horizontal force: 12 pounds
A. 24 pounds B. 288 pounds C. 144 pounds D. 16.97 pounds
Mathematics
Answer the question about the given function.Given the function f(x) = -7x2 - 14x - 8, list the y-intercept, if there is one, of the graph of f.
A. -8 B. -22 C. -29 D. -1
Mathematics
Convert the given product to a single radical. Assume that all variables represent positive numbers.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.tan 
A. 2 - 
B. 
- 2
C. 2 + 
D. -2 - 
Mathematics