Use the laws of exponents to simplify. Write the answer with positive exponents.
A. 
B. y1/2
C. y4/3
D. y
Answer: B
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Solve the problem.Does the graph of the function y = 6x + 12 sin x have any horizontal tangents in the interval 
If so, where?
A. Yes, at x = 
, x = 
B. Yes, at x = 
, x = 
C. Yes, at x = 
D. No
Perform the indicated operation and simplify.
+ 
A. 
B. 
C. - 
D. 
Find all the first order partial derivatives for the following function.f(x, y, z) = ln (xy)z
A. 
= - 
; 
= - 
; 
= ln (xy)
B. 
= 
; 
= 
; 
= ln (xy)
C. 
= 
; 
= 
; 
= z ln (xy)z-1
D. 
= z ln 
; 
= zln
; 
= ln (xy)
Draw a valid conclusion from the following argument or write “no conclusion is possible:” If a quadrilateral is a square, then it has four congruent sides and four congruent angles. If a quadrilateral has four congruent sides, then it is a rhombus. SOFT is a square.
What will be an ideal response?