Find domain of the following function.
?
A. all real numbers x except x = -49 and x = -1
B. all real numbers x except x = -6 and x = ?7
C. all real numbers x except x = 6 and x = 49
D. all real numbers x except x = 7 and x = -1
E. all real numbers x except x = -7 and x =1
Answer: D
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Find the indicated trigonometric function, given that ? is an angle in standard position with the terminal side passing through the given point.(12, 16); Find sin ?.
A. 
B. 
C. 
D. 
Provide an appropriate response.The function P(x) = 0.8x - 80 models the relationship between the number of pretzels x that a certain vendor sells and the profit the vendor makes. Find and interpret P(900). Profit Made on Pretzel Sales
A. 820; $820 is the profit the vendor makes from selling 900 pretzels. B. 720; $900 is the profit the vendor makes from selling 720 pretzels. C. 640; $640 is the profit the vendor makes from selling 900 pretzels. D. 900; $900 is the profit the vendor makes from selling 900 pretzels.
Use the encoding matrix E = 
, an additional coding matrix, F = 
, plus the matrices I = 
and O = 
to answer the question.4(E + 3I)
What will be an ideal response?
Solve the problem.One maid can clean the house in 3 hours. Another maid can do the job in 2 hours. How long will it take them to do the job working together?
A. 6 hr
B. 
hr
C. 
hr
D. 
hr