Solve and give interval notation for the solution set. Then graph the solution set.x + 5 < - 
or x + 5 > 
A. (- 
, - 
)
B. (-?, - 
) ? (- 
, ?)
C. (-?, - 
) ? (- 
, ?)
D. (- 
, - 
)
Answer: C
Mathematics
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Use the pH scale to answer the question.What is the pH of a solution with a hydrogen ion concentration of 0.01 mole per liter? Is this solution an acid or a base?
A. pH = 7; neutral B. pH = 8; base C. pH = 3; acid D. pH = 2; acid
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Graph the polynomial function. f(x) = -2x3(x - 2)2(x - 1)
A. 
B. 
C. 
D. 
Mathematics
Determine if the given ordered pair is a solution to the system of inequalities.
;
(0, 7)
A. No B. Yes
Mathematics
Evaluate the expression by hand. Variables represent any real number.-
A. -343 B. Not possible C. -49 D. -7
Mathematics