Question

1. which of the following pairs of sets are equal?
a. {a, b} and ''First two letters of the alphabet''
b. {7, 8, 9, 10} and ''Whole numbers greater than 7''.
c. {7, a b, 8} and {a, b, c, 7, 8}
d. {x, y, x, z} and {z, x, y, z}

2. Determine which of the following sets are finite. For those sets that are finite, how many elements are in the sets?
a. The set of ears on a typical elephant.
b. {1, 2, 3, . . . , 99}
c. {0, 1, 2, 3, . . . , 200}
d. Set of points belonging to a line segment
e. Set of points belonging to a circle

Answer 1

which of the following pairs of sets are equal?

a. {a, b} and ''First two letters of the alphabet''

b. {7, 8, 9, 10} and ''Whole numbers greater than 7''.

c. {7, a b, 8} and {a, b, c, 7, 8}

d. {x, y, x, z} and {z, x, y, z}

2. Determine which of the following sets are finite. For those sets that are finite, how many elements are in the sets?

a. The set of ears on a typical elephant.

b. {1, 2, 3, . . . , 99}

c. {0, 1, 2, 3, . . . , 200}

d. Set of points belonging to a line segment

e. Set of points belonging to a circle