Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 4x, g(x) = 
A. No, yes
B. Yes, yes
C. Yes, no
D. No, no
Answer: B
Mathematics
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Find the largest open interval where the function is changing as requested.Decreasing f(x) = x3 - 4x
A. 
B. 
C. 
D. 
Mathematics
Find the product.(x + 8)(4x + 12)
A. 4x2 + 42x + 96 B. 4x2 + 96x + 44 C. 4x2 + 44x + 44 D. 4x2 + 44x + 96
Mathematics
Add. Write the answer in lowest terms.
+ 
+ 
A. 11
B. 1
C. 
D. 
Mathematics
Simplify the rational expression. Assume that no variable has a value which results in a denominator with a value of zero.
A. 
B. 
C. 
D. 
Mathematics