Find the largest open interval where the function is changing as requested.Decreasing f(x) = 
A. (-?, -4)
B. (-?, 4)
C. (-4, ?)
D. (4, ?)
Answer: B
Mathematics
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Simplify the expression. Write the answer using positive exponents.(a + 6)-2
A. -2(a + 6)
B. 
C. -(a + 6)2
D. 
Mathematics
Do the operation and express the answer in 
form.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify the expression.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Find the linearization of the function at the given point.
at 
A. 
B. 
C. 
D. 
Mathematics