Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. - 
B. - 
C. 
D. 
Answer: B
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Suppose that the functions f and g and their derivatives with respect to x have the following values at the given values of x. Find the derivative with respect to x of the given combination at the given value of x.
1/g2(x), x = 4
A. 
B. 
C. - 
D. - 
Simplify.(-34)3
A. -2187 B. -531,441 C. 2187 D. 531,441
Indicate to which set(s) the number belongs from the following choices: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. The numbers may belong to more than one set.- 
A. irrational numbers, real numbers B. integers, real numbers C. real numbers D. rational numbers, real numbers
Simplify. If an expression does not represent a real number, state this.
A. -2 B. 2 C. -256 D. Not a real number