Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
2 ? 
3
A. 
B. 
C. 
D. 
Answer: D
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Determine the value or values that are excluded from the following expression.
A. -6 B. 6 C. 0 D. none
Determine whether the expression is a polynomial. If it is a polynomial, give its degree.-4y6 - 
A. polynomial; degree 6 B. polynomial; degree 3 C. polynomial; degree -4 D. not a polynomial
Find an equation in slope-intercept form (where possible) for the line.Through (3, 2) and (-3, 11)
A. y = - 
x + 4
B. y = - 
x + 0
C. y = 
x - 
D. y = - 
x + 
Find the slopes of the surface 
in the x- and y- directions at the point 
.
?
A. ?slope in x-direction: 1slope in y-direction: 5 B. ?slope in x-direction: -2slope in y-direction: 6 C. ?slope in x-direction: 5slope in y-direction: 1 D. ?slope in x-direction: 4slope in y-direction: 4 E. ?slope in x-direction: 6slope in y-direction: -2