Simplify the expression. Write with only positive exponents. Assume that variables represent positive real numbers.x1/5x4/5
A. x4/5
B. 
C. x
D. x4/25
Answer: C
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Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = sin u, u = cos x
A. cos x sin x B. sin(cos x) sin x C. - cos x sin x D. - cos(cos x) sin x
Provide an appropriate response.Subtract and reduce when necessary: 
- 
A. 
B. 
C. 
D. 
Provide an appropriate response.The primary advantage(s) to a taxpayer that itemizes deductions is:
A. interest on certain loans may be included B. all of these are advantages typically associated with itemizing deductions C. taxpayers will reduce taxable income when compared to the standard deduction D. charitable contributions may be included
Give a rule for the piecewise-defined function. Then give the domain and range.
A. f(x) = 
; Domain: (-?, ?), Range: (-?, ?)
B. f(x) = 
; Domain: (-?, ?), Range: (-?, ?)
C. f(x) = 
; Domain: (-?, 2) ? (2, ?), Range: (-?, ?)
D. f(x) = 
; Domain: (-?, ?), Range: (-?, 2) ? (2, ?)