Add and, if possible, simplify.
x + 
x
A. 
B. 
C. 
x
D. 
x
Answer: C
Mathematics
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Find the limit using 
= 1.
A. 
B. does not exist
C. 
D. 0
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Decide whether or not the functions are inverses of each other.f(x) = 
, g(x) = 
A. Yes; Exclude the value {-4} B. No C. Yes
Mathematics
Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Mathematics
Find the indicated rate.While walking, Joe's heart beats 3952 times in 40 minutes. What is the rate in beats per minute?
A. 0.01 beats/min B. 91.9 beats/min C. 102.8 beats/min D. 98.8 beats/min
Mathematics