Find only the rational zeros.f(x) = x3 + 6x2 - 9x - 54
A. 3, 6, -3
B. -3, -6, 3
C. 4, 6, -6
D. -4, -6, 6
Answer: B
Mathematics
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Express the sum using summation notation. Use a lower limit of summation, not necessarily 1, and k for the index of summation.33 + 43 + 53 + . . . + 93
A. 
B. 
C. 
D. 
Mathematics
Simplify.27.2 + 4.47 × (7.8 - 0.6)2
A. 261.1248 B. 258.9248 C. 503.7248 D. 257.5248
Mathematics
Solve for the indicated variable.R = nE - nr, for n
A. n = 
B. n = 
C. n = R - E + r
D. n = R + nr - E
Mathematics
Perform the indicated operations. Write the answer in simplest form.
÷ 
A. 
B. 6
C. 
D. 
Mathematics