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 (-2, -4);
no x-intercepts, y-intercept: 
;
asymptotes: y = 0 and x = 2
B. removable discontinuity at (2, 4);
x-intercept: (-2, 0), y-intercept: (0, 2);
no asymptotes
C. removable discontinuity at (2, 4);
no x-intercepts, y-intercept: 
;
asymptotes: y = 0 and x = 2
D. removable discontinuity at (-2, -4);
no x-intercept: (2, 0), y-intercept: (0, -2);
no asymptotes
Answer: B
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Find fx, fy, and fz.f(x, y, z) = 
A. fx = 
; fy = 
; fz = 
B. fx = - 
; fy = 
; fz = - 
C. fx = - 
; fy = - 
; fz = 
D. fx = 
; fy = - 
; fz = 
Solve the equation 
. Restrict your attention to the horizontal span of 0 to 5. Round your answer to two decimal places if necessary.
?
A. 1.41 B. 2.73 C. 0.19 D. 4.46
Answer the question.Julia preheated her oven for 15 minutes. What fraction of an hour was this? (1 hour = 60 min)
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Give the domain and range of the relation.{(2, 2), (-3, -3), (-6, -6), (4, 4)}
A. Domain: {2, 4}; Range: {-6, -3} B. Domain: {-6, -3}; Range: {2, 4} C. Domain: {-6, -3, 2, 4}; Range: {-6, -3, 2, 4} D. None of the above