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 interval; {x|4 < x < 7}; (4, 7)
B. closed interval; {x|4 ? x ? 7}; [4, 7]
C. half-open interval; {x|4 ? x < 7}; [4, 7)
D. half-open interval; {x|4 < x ? 7}; (4, 7]


Answer: B

Mathematics

You might also like to view...

Find the value of the logarithm without using a calculator.log7

A. 7 B. -1 C. 1 D. 0

Mathematics

Decide whether the proportion is true or false. = 

A. True B. False

Mathematics

Solve the system using Gaussian elimination. ? ? Please enter your answer in the form x = , y = , z = .

What will be an ideal response?

Mathematics

Find the square root.

A. -264 B. 23 C. -23 D. Not a real number

Mathematics