Translate the situation into mathematical language. You need not actually solve the problem.The population of Metro City grew 11% for each of 3 consecutive years. At the end of that time, the population was 56,584. Find Metro City's population at the start of the 3 year period.
A. Let p be the initial population; p = 1.11(1.11)(1.11)56,584
B. Let p be the initial population; 56,584 = 1.11p
C. Let p be the initial population; 56,584 = 1.11(1.11)(1.11)p
D. Let p be the initial population; 56,584 = (1.11 + 1.11 + 1.11)p
Answer: C
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Determine the principal value without using a calculator.(
)5
A. 44 B. 44 or -44 C. Not real number D. -44
Find the vertex, focus, and directrix of the parabola.x2 = 8y
A. vertex: (0, 0)
focus: (-2, 0)
directrix: x = 2
B. vertex: (0, 0)
focus: (2, 0)
directrix: x = -2
C. vertex: (0, 0)
focus: (0, 2)
directrix: y = -2
D. vertex: (0, 0)
focus: (0, -2)
directrix: y = 2
Find the indicated sum.
A. 14
B. 22
C. 7
D. 
An arithmetic sequence is given. Find the common difference and write out the first four terms.{sn} = {n - 17}
A. d = 1; s1 = -16, s2 = -15, s3 = -14, s4 = -13 B. d = -1; s1 = 16, s2 = 15, s3 = 14, s4 = 13 C. d = 1; s1 = 16, s2 = 15, s3 = 14, s4 = 13 D. d = -1; s1 = -16, s2 = -15, s3 = -14, s4 = -13