Find the LCM.n, 9 + n, 9 - n
A. 81n2
B. n(9 + n)(9 - n)
C. n + 9
D. n2 + 81
Answer: B
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Use a calculator to perform the operation. Express your answer in scientific notation.
A. 1.39 × 10-1 B. 1.39 × 10-3 C. 1.388728918 × 10-11 D. 1.39 × 10-11
The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana.AlabamaArkansasLouisianasoybeans (s)soybeans (s)soybeans (s) peanuts (p)rice (r)sugarcane (n)corn (c)cotton (t)rice (r)hay (h)hay (h)corn (c)wheat (w)wheat (w)cotton (t)Let U be the smallest possible universal set that includes all of the crops listed, and let A, K and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find each of the following sets.L' ? A
A. {h, n, t, w} B. {c, s} C. {n, r, t} D. {h, p, w}
Use logarithmic differentiation to find the derivative of y.y = x(x - 3)(x - 9)
A. x(x - 3)(x - 9)
B. x(x - 3)(x - 9)(lnx + ln(x - 3) + ln(x - 9))
C. 1
D. 
+ 
+ 
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sec (-?)
A. -1 B. 0 C. 1 D. undefined