Ortencia made the following grades on her tests: test #1, 90; test #2, 80; test #3, 95; test #4, 90; test #5, 85. She wants to plot her progress on a coordinate plane where the test number is on the x-axis and the test grade is on the y-axis.

Question:

a) Write this relation as a set of ordered pairs.
b) What is the domain?
c) What is the range?

Question

Ortencia made the following grades on her tests: test #1, 90; test #2, 80; test #3, 95; test #4, 90; test #5, 85. She wants to plot her progress on a coordinate plane where the test number is on the x-axis and the test grade is on the y-axis.

Question:

a) Write this relation as a set of ordered pairs.
b) What is the domain?
c) What is the range?

Vocaloid · Answer

a) each coordinate point should be (test #, test result) so for example, test 1 = (1,90). repeat for all other tests.
b) the domain is simply a set with all the test numbers listed in order
c) the range is a set with all the test scores listed in order