Decide whether or not the ordered pair is a solution of the system.(-4, 2)
A. Yes
B. No
Answer: B
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Use natural logarithms to solve the exponential equation. If necessary, round to the nearest thousandth.173-x = 23
A. 1.65 B. 1.89 C. -1.65 D. 3.90
Solve the variation problem.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. A measuring device is calibrated to give 
when 
and 
What is the volume on this device when the temperature is 
and the pressure is 
alt="" style="vertical-align: -4.0px;" /> A. 7.5 cubic inches B. 122.5 cubic inches C. 102.5 cubic inches D. 112.5 cubic inches
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) = 
; [-5, 5] by [-11, 11]
A. (a) x-intercepts: (-3, 0), 
, (3, 0); y-intercept: 
;
(b) The denominator has no real zeros because the discriminant, -17, is negative.;
(c) y = 3x + 1;
(d) The domain and range are both [0, ?).
B. (a) x-intercepts: (-4, 0), 
, (4, 0); y-intercept: 
;
(b) The denominator has no real zeros because the discriminant, -17, is negative.;
(c) y = 3x + 6;
(d) The domain and range are both (-?, ?).
C. (a) x-intercepts: (-4, 0), 
, 
; y-intercept: 
;
(b) The denominator has no real zeros because the discriminant, -15, is negative.;
(c) y = 3x + 0;
(d) The domain and range are both [0, ?).
D. (a) x-intercepts: (-3, 0), 
, (3, 0); y-intercept: 
;
(b) The denominator has no real zeros because the discriminant, -15, is negative.;
(c) y = 3x + 1;
(d) The domain and range are both (-?, ?).
Solve.|7x + 4| = |9 - 10x|
A. 
B. 
C. 
D. 