Add and subtract as indicated.12 + (-20) - 4 - (-2) + (-4)
A. -14
B. -18
C. 38
D. -10
Answer: A
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Solve the problem.Consider the functions f(x) = x2 and g(x) = x3 and their linearizations at the origin. Over some interval 
the approximation error for g(x) is less than the approximation error for f(x) for all x within the interval. Derive a reasonable approximation for the value of ?. Show your work. (Hint, the absolute value of the second derivative of each function gives a measure of how quickly the slopes of the function and its linear approximation are deviating from one another.)
What will be an ideal response?
Provide a proper response.Give an example of an integer that is not a natural number.
What will be an ideal response?
Simplify, if possible.
A. - 
B. -1
C. - 
D. 
Find the domain of x in the expression.
?
?
A. 
B. 
C. 
D. 
E. 