Simplify the expression. Assume that all variables represent non-negative real numbers.
+ 
A. 4
B. 4
+ 2
C. 5
D. 5
Answer: D
Mathematics
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Graph the polar equation.r = 
A. 
B. 
C. 
D. 
Mathematics
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = x6 sin x
A. 6 sin x ln x
B. x sin x
C. 6 cos x ln x + 
D. 6 x6 sin x
Mathematics
Add or subtract.-
- 
A. - 12
B. - 10
C. 12
D. - 12
Mathematics
Find the exact value of the expression. Do not use a calculator.cos 120° tan 60°
A. - 
B. 
C. - 
D. 
Mathematics