Express using positive exponents. Then simplify.
A. 
B. x4
C. x-4
D. 4x
Answer: B
Mathematics
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Evaluate the expression for the given value of x.
?
A. 
B. 
C. 
D. 48
E. -48
Mathematics
The argument has a true conclusion. Identify the argument as valid or invalid.
is less than 20.10 is less than 20. 
is less than 10.
A. Valid B. Invalid
Mathematics
Add. Simplify the result whenever possible.
+ 
A. 
B. 
C. 
D. 
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics