Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.- 
A. Monomial; variables x, y; coefficient 2; degree 2
B. Monomial; variables x, y; coefficient 2; degree 8
C. Monomial; variables x, y; coefficient 2; degree 6
D. Not a monomial
Answer: D
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Integrate the function.
dx
A. 
(x2 + 7)3/2 - 7
+ C
B. 
- 
+ C
C. 
(x2 + 7)3/2 - 
+ C
D. 
(x2 + 7)3/2 + tan-1 
+ C
Solve. Determine a polynomial that represents the area of a square with sides of length 
A. 36x2 - 36xy + 9y2 B. 36x2 - 36xy - 9y2 C. 36x2 - 18xy + 9y2 D. 36x2 + 36xy + 9y2
Solve the problem.A ray of light is moving from water into glass. If its angle of incidence is 19°, find its angle of refraction. The indices of refraction of water and glass are 1.333 and 1.571, respectively.
A. 24.82° B. 22.56° C. 16.04° D. 14.43°
Determine whether the statement is true or false.If a function f has an inverse, then the graph of f-1 can be obtained by reflecting the graph of f across the x-axis.
A. True B. False