Simplify the expression. Write the answer with only positive exponents. All variables are nonzero.(3x-3y6)-1 ? 
A. 0
B. 
C. 
D. 
Answer: D
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Graph the fraction on a number line.- 
A. 
B. 
C. 
D. 
Factor the four-term polynomial by grouping.5x - 35 + xy - 7y
A. (x - 7)(5 + y) B. (x - 7y)(5 + y) C. (y - 7)(x + 5) D. (y - 7)(5x + y)
Evaluate the expression.80
A. 0 B. 8 C. 1 D. -1
For the following rational function, identify the coordinates of all removable discontinuities and sketch the graph. Identify all intercepts and find the equations of all asymptotes.f(x) = 
A. removable discontinuity at 
;
x-intercept: (3, 0), y-intercept: 
;
asymptotes: x = -5, y = 1
B. removable discontinuity at (-3, 0);
x-intercept: (-3, 0), y-intercept: 
;
asymptotes: x = -5, y = 1
C. removable discontinuities: 
, (-3, 0);
x-intercept: (-3, 0), y-intercept: 
;
asymptotes: x = 5, y = 1
D. removable discontinuities: 
, 
;
x-intercept: (3, 0), y-intercept: 
;
asymptotes: x = 5, y = 1