MATH 1201 College Algebra Unit 5 Challenge 1-3 All Answers- Pennsylvania State University

College Algebra Unit 5,
challenge 1, challenge 2:
Challenge 3 - All answers

Introduction to Functions

For an ordered pair in a relation, the element represents
the _________.

b) range

Each element in the domain of a function corresponds to
__________ element in the range.
c) exactly one


For an ordered pair in a relation, the element represents
the _________.
d) domain


Evaluating Functions

If , then __________.

, • c.)Correct.To find , plug in for all instances of
:




If , then __________.


• a.)Correct.To find , plug in for all instances of
:




If , then = __________.

, • d.)Correct.To find , plug in for all instances of
:




Adding and Subtracting
Functions

If and , then =
__________.

d.)Correct.
When subtracting two functions, it is easiest to evaluate each
function separately, then subtract.

, a.)Correct.
When adding two functions, it is easiest to evaluate each function
separately, then add.




If and , then =
__________.

c.)Correct.