Use the properties of exponents to simplify the expression 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Find the derivative of y with respect to x.y = tan-1 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression or state that it does not exist.tan-1 
A. 
B. - 
C. - 
D. 
Mathematics
Compute the commission. Round to the nearest cent, if necessary.
A. $43.00 B. $35.70 C. $31.80 D. $33.00
Mathematics
Evaluate the expression for the given value or values.
for x = -228, y = 0
A. -228 B. 228 C. 0 D. undefined
Mathematics