Find all complex zeros of the polynomial function, and write the polynomial in completely factored form.f(x) = 2x4 - 5x3 + 20x2 - 45x + 18
A. f(x) = (2x + 1)(x + 2)(x + 3)(x - 3)
B. f(x) = (2x + 1)(x + 2)(x + 3i)(x - 3i)
C. f(x) = (2x - 1)(x - 2)(x + 3i)(x - 3i)
D. f(x) = (2x - 1)(x - 2)(x + 3)(x - 3)
Answer: C
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Given matrices A and B, find the indicated matrix if possible.A = 
, B = 
Find AB.
A. 
B. AB is not defined.
C. 
D. 
Set up a proportion table and solve the corresponding proportion. Write a sentence answering the question. 40 out of 72 fish in one lake were tagged by a wildlife researcher. At a second lake, 260 fish were tagged. If fish were tagged at proportional rates in the two lakes, how many fish were in the second lake?
A. There were 748,800 fish in the second lake. B. There were 11 fish in the second lake. C. There were 468 fish in the second lake. D. There were 144 fish in the second lake.
Factor the trinomial completely, or state that the trinomial is prime.6x2 - 26x - 20
A. prime B. 2(3x - 2)(x + 5) C. 2(3x + 2)(x - 5) D. (6x + 4)(x - 5)
Supply the missing numbers. Round any decimal to the nearest thousandth and percent to the nearest tenth of a percent if necessary.fractiondecimalpercent?1.333
A. 1
; 13.33%
B. 1
; 133.3%
C. 1
; 133.3%
D. 1
; 13.33%