Evaluating Functions Lesson
Presentation
•
Mathematics
•
9th Grade
•
Medium
Standards-aligned
Jennifer Kay
Used 6+ times
FREE Resource
3 Slides • 4 Questions
1
To EVALUATE a Function is to: Replace (substitute) its variable with a given number or expression
2
3
Evaluate: to determine the value of something
Function: a relation in which each element of the domain is mapped to (paired with) exactly one element of the range
Input: the value that is transformed by a process and becomes an output
Output: The result of an input that has been transformed by a process
4
Multiple Choice
f(x)=4x+5
f(4)=
Rember to "plug" 4 into the "x" value in the equation and solve
f(4)=4(4)+5
21
-11
-31
25
5
Multiple Choice
What does c(7) represent?
6
Multiple Choice
Evaluate f(x)=-2x+13 for f(10)
(Plug 10 into the "x". Don't forget the -2)
7
Fill in the Blanks
A train conductor determined the distance in miles a high speed train was from its destination using d(x)=1375−110x where x is the number of hours traveled. How far is the train from its destination after 8 hours?
(Plug 8 into the "x" value)
To EVALUATE a Function is to: Replace (substitute) its variable with a given number or expression
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