 # Section 4.3 Worksheet

```Section 4.3 Worksheet
Name: ___________________________________
Period: _____________________
Highland Park High School Algebra 1
Graphing Linear Functions
Graph and describe the difference between the graph and its parent function f(x).
1.   =  + 5
2.   =  − 3
3. ℎ  =  + 2
4.   =  − 1
5.   = 2
6.   = −4
!
7. ℎ  =
!
!
8.   = −
!
9.   = 2 − 1
10. The number of hours people in the United States spent playing video games each year from 1998 to
2001 can be modeled by the function   = 11.9 + 46.4 where x is the number of years since 1998.
a. Graph the function and identify it’s domain and range.
b. Find the value of   when  = 2. Explain what the solutions means in
this situation.
c. Find the value of   when  = 60. Explain what the solutions means in this situation.
11. A pool membership during the summer costs \$7 per week. The total cost of membership is given by the
function   = 7. The pool also rents out lockers for \$2 per week. The total cost of membership and a
rental is given by   = 9.
a. Graph both functions on the graph provided. How does the graph
of f compare to the graph of g.
b. What is the difference between a 12-week membership if you get
a locker and if you don’t? Explain how you got your answer.
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