Factor the trinomial or state that the trinomial is irreducible.x2 - x - 45
A. (x + 5)(x - 9)
B. (x - 45)(x + 1)
C. irreducible
D. (x - 5)(x + 9)
Answer: C
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Provide an appropriate response.A student knows that 
diverges, but needs to investigate 
, where 
Does this integral necessarily also diverge?
A. Yes B. No
Find the derivative of the function at P0 in the direction of u.f(x, y, z) = 2xy3z2, P0(2, 8, 4), u = -2i + j - 2k
A. - 
B. - 20,480
C. - 16,384
D. - 
Write the expression in exponent form.(x)(x)(x)(x)(x)(x)(x)(x)
A. 8 B. x8 C. 8x D. 8x
Provide an appropriate response.Students in several classes are asked to rank their choices for days to come to campus to make presentations as a final project. There are three days where a big enough venue is available for each of the classes, Monday (M), Tuesday (T) and Friday (F). The results are shown in the following preference table.Number of Votes 120654015First ChoiceFFTMSecond ChoiceTMFTThird ChoiceMTMF??????a. How many students voted? b. How many students selected the days in the order M, T, F?c. How many students selected Friday as their first choice for a presentation day?d. How many students selected Tuesday as their first choice for a presentation day?
A. a. 240, b. 40, c. 185, d. 15 B. a. 240, b. 15, c. 185, d. 40 C. a. 240, b. 15, c. 65, d. 15 D. a. 240, b. 40, c. 120, d. 40