Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite) , write the set using set-builder notation, and write the set using interval notation.
- $Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite) , write the set using set-builder notation, and write the set using interval notation. - A) open infinite interval; \{ x \mid x > 1 \} ; ( 1 , \infty ) B) closed infinite interval; \{ x \mid x \leq 1 \} ; ( - \infty , 1 ] C) closed infinite interval; \{ x \mid x \geq 1 \} ; [ 1 , \infty ) D) open infinite interval; \{ x \mid x < 1 \} ; ( - \infty , 1 )$

Question

Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
-
A) open infinite interval; $\{ x \mid x > 1 \} ; ( 1 , \infty )$ 
B) closed infinite interval; $\{ x \mid x \leq 1 \} ; ( - \infty , 1 ]$ 
C) closed infinite interval; $\{ x \mid x \geq 1 \} ; [ 1 , \infty )$ 
D) open infinite interval; $\{ x \mid x < 1 \} ; ( - \infty , 1 )$

Quizplus · Accepted Answer

The Answer of Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
-
A) open infinite interval; $\{ x \mid x > 1 \} ; ( 1 , \infty )$ 
B) closed infinite interval; $\{ x \mid x \leq 1 \} ; ( - \infty , 1 ]$ 
C) closed infinite interval; $\{ x \mid x \geq 1 \} ; [ 1 , \infty )$ 
D) open infinite interval; $\{ x \mid x < 1 \} ; ( - \infty , 1 )$

Given the Set Sketched on the Number Line, Identify the Type