Determine the number of ways a computer can randomly generate the integers that is divisible by 4 from 1 through 40.
A. 14
B. 12
C. 10
D. 6
E. 8
Answer: C
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Add, first finding the LCD. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Indicate whether the inequality is true or false.10 ? -11
A. True B. False
Use a calculator to graph the rational function in the window indicated. Use the graph to (a) give the x- and y-intercepts, (b) explain why there are no vertical asymptotes, (c) give the equation of the oblique asymptote, and (d) give the domain and range.f(x) = 
; [-6, 6] by [-26, 26]
A. (a) x-intercepts: (-4, 0), (-3, 0), (4, 0); y-intercept: 
;
(b) The denominator has no real zeros because the discriminant, -47, is negative.;
(c) y = 2x + 5;
(d) The domain and range are both (-?, ?).
B. (a) x-intercepts: (-3, 0), (-4, 0), (3, 0); y-intercept: 
;
(b) The denominator has no real zeros because the discriminant, -47, is negative.;
(c) y = 2x + 9;
(d) The domain and range are both (-?, ?).
C. (a) x-intercepts: (-3, 0), (-4, 0), (3, 0); y-intercept: 
;
(b) The denominator has no real zeros because the discriminant, -68, is negative.;
(c) y = 2x + 9;
(d) The domain and range are both (-?, ?).
D. (a) x-intercepts: (-4, 0), (-3, 0), (4, 0); y-intercept: 
;
(b) The denominator has no real zeros because the discriminant, -68, is negative.;
(c) y = 2x + 5;
(d) The domain and range are both (-?, ?).
Evaluate the expression xy for the given values of the variables.x = -1.29, y = -4.8
A. -6.09 B. 6.192 C. 6.09 D. -3.51