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. closed interval; {x|-3 ? x ? 2}; [-3, 2]
B. half-open interval; {x|-3 ? x < 2}; [-3, 2)
C. open interval; {x| -3 < x < 2}; (-3, 2)
D. half-open interval; {x|-3 < x ? 2}; (-3, 2]
Answer: C
You might also like to view...
Solve the problem.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 31 questions correct. What was the percent of the increase?
A. 76% B. 24% C. 19.4% D. 6%
Solve.
+ 
= 
A. - 
B. 3
C. - 3
D. 
Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.sin (405°)
A. 
B. - 
C. 
D. - 
Determine whether y ? ? or y ? -? as x ? -? and x ? ?.y = -7x4 + 3x2 - 5
A. y ? -? as x ? -?; y ? ? as x ? ? B. y ? -? as x ? -?; y ? -? as x ? ? C. y ? ? as x ? -?; y ? -? as x ? ? D. y ? ? as x ? -?; y ? ? as x ? ?