Which of the following sets are discrete? check all that apply. a. {1,3,5,} b. (-10,20) c. {5,8} d. (1,99) e. {-3,6,9,17,24}

All are discrete sets

Step-by-step explanation:

Any set for which you can list the elements is a discrete set, even if that list has "..." (continues in like fashion). Sets that are not discrete are those that are continuous, such as "all real numbers" or "the numbers between 0 and 1".

the answer would be c:   ax + b = ax + c

step-by-step explanation: