All HiSET: Math Resources
Example Questions
Example Question #1 : Evaluate Functions For Inputs In Their Domains
Define and
.
Evaluate .
Possible Answers:
The expression is undefined.
Correct answer:
Explanation:
By definition,
,
so first, evaluate by substituting 2 for
in
:
,
so evaluate through a similar substitution:
,
the correct response.
Example Question #31 : Algebraic Concepts
Define functions and
as follows:
Evaluate .
Possible Answers:
Undefined
Correct answer:
Explanation:
By definition, . Evaluate
by substituting 0 for
in the definition of
:
, so substitute 4 for
in the definition of
. Since 4 satisfies the condition
, use the definition for those values:
,
the correct value.
All HiSET: Math Resources
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