Express the set using the roster method. {x|XEN and 30 ≤x≤ 90} Choose the correct answer below. A. Ø B. (30, 31, 32, 33, ..., 90} OC. (..., 27, 28, 29, 91, 92, 93, ...} D. (31, 32, 33, 34, **** 90}

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Express the set using the roster method.
{x|XEN and 30 ≤x≤90}
Choose the correct answer below.
OA. Ø
O B. (30, 31, 32, 33, ..., 90}
O C. {..., 27, 28, 29, 91, 92, 93, ...}
O D. 31, 32, 33, 34, .... 90}
Transcribed Image Text:Express the set using the roster method. {x|XEN and 30 ≤x≤90} Choose the correct answer below. OA. Ø O B. (30, 31, 32, 33, ..., 90} O C. {..., 27, 28, 29, 91, 92, 93, ...} O D. 31, 32, 33, 34, .... 90}
Write a description of the set.
{7, 8, 9, 10, ...}
Choose the correct answer below.
O A. The numbers seven, eight, nine, and ten.
B. All natural numbers greater than 7.
O C. All natural numbers greater than 6.
O D. All rational numbers greater than 6.
Transcribed Image Text:Write a description of the set. {7, 8, 9, 10, ...} Choose the correct answer below. O A. The numbers seven, eight, nine, and ten. B. All natural numbers greater than 7. O C. All natural numbers greater than 6. O D. All rational numbers greater than 6.
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