All HiSET: Math Resources
Example Questions
Example Question #1 : Functions And Function Notation
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 #1 : Functions And Function Notation
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.
Kaushik
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National Institute of Technology Karnataka, Bachelor of Science, Mechanical Engineering. Indian Institute of Management, Mast...
Philipp
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University of Nevada-Las Vegas, Bachelor of Science, Mechanical Engineering.
All HiSET: Math Resources
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