Practice problem
Which of the following sets is in set builder notation?
A={2,5.4,5,3,24}A=\{2,5.4, 5, 3, 24\}A={2,5.4,5,3,24}
B={2,4,6,8...}B=\{2,4,6,8...\}B={2,4,6,8...}
C={x,y,z,k,a}C=\{x,y,z,k,a\}C={x,y,z,k,a}
D={x∣x is an item under 20 dollars.}D=\{x|x \text{ is an item under 20 dollars.}\}D={x∣x is an item under 20 dollars.}
Type a concept, like “slope” or “photosynthesis”.