Find the product and write the result in standard form.6i(-9i + 6)
A. -54 + 36i
B. 36i + 54i2
C. 36i - 54i2
D. 54 + 36i
Answer: D
Mathematics
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = (-1)n 
A. 5 B. ±5 C. 0 D. Diverges
Mathematics
Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. Determine the following.A ? B'
A. {u, w} B. {q, s, t, u, v, w, x, y} C. {t, v, x} D. {r, s, t, u, v, w, x, z}
Mathematics
Find the missing factor.7x2 - 36x - 36 = (7x + 6)( )
A. x - 6 B. 7x - 6 C. 7x + 30 D. x + 6
Mathematics
Predict the general, or nth term, an, of the sequence.ln e4, ln e5, ln e6, ln e7, ln e8, . . .
A. ln en + 3, or n + 3 B. ln en+1, or n + 1 C. ln en - 3, or n - 3 D. ln en, or n
Mathematics