Add or subtract as indicated. Write your answer in the form a + bi.(7 + 9i) - (-3 + i)
A. -10 - 8i
B. 10 + 8i
C. 4 + 10i
D. 10 - 8i
Answer: B
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Sketch the graph of the rational function, including all asymptotes. Provide other information as requested.f(x) = 
; State the domain and range and discuss symmetry.
A. domain: (-?, ?); range 
;
symmetry with respect to the y-axis;
horizontal asymptote: y = 0
B. domain: (-?, ?); range 
;
symmetry with respect to the y-axis;
horizontal asymptote: y = 0
C. domain: (-?, ?); range 
;
symmetry with respect to the y-axis;
horizontal asymptote: y = 0
D. domain: (-?, ?); range 
;
symmetry with respect to the y-axis;
horizontal asymptote: y = 0
Find the first term and the common ratio of the geometric sequence.an = -40(0.4)-n
A. a1 = -100, r = 0.4 B. a1 = 100, r = 2.5 C. a1 = -16, r = -2.5 D. a1 = 16, r = 16
Factor the trinomial completely, or state that the trinomial is prime.9y4 - 39y3 + 36y2
A. 3y2(3y - 4)(y - 3) B. 3y2(3y - 4)(y + 3) C. 3y2(3y + 4)(y - 3) D. y2(3y - 4)(y - 3)
Determine which of the following values of x is a solution to the equation.
?
A. 
, 
B. 
C. 
, 
D. 
, 
E. 