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8M: 4-3 (writing/eval func + ind/dep)
Hauen laguntzarekin: Maynard
(Jatorrizko autorea: Jarvie)
1a.  Which coordinate is the input?
1b.  Which coordinate is the output?
*Use lower case letters for your answers.
2.  What is f(-3) for f(x) = x + 6?
-9
-3
 9
3
3.  What is the function rule for the following?
x
-2
0
2
y
7
3
5
y = x + 5
x = y + 5
x + y = 5
y = 2x + 5
4.  What is the function rule?
-2
0
x
2
f(x)
-1
0
1
f(x) = x + 1
f(x) = 2x
f(x) = x/2
x = ½
0
x
3
9
6
y
0
6
3
9
5. Which equation represents the    t-chart displayed to the left?
y = 3x
y = x
y = -3x
y = -x
2
x
3
5
4
4
y
1
3
2
6. Which equation represents    the t-chart displayed to the left?
y = -x + 1
y = -x - 1
y = x - 1
y = x + 1
y = -x + 8
y = -x - 8
x
y
0
8
y = x + 8
y = x - 8
-1
7
-2
6
7. Which equation    represents the    t-chart displayed    above?

-3
5
8.  What is f(-5) for f(x) = -2x + 3?
-7
-4
 13
-13
9.  What is g(12) for g(x) = -3x - 5?
-20
-41
 -31
31
10.  Which is the independent variable in the
      situation below?
The longer you scrub the kitchen floor, the cleaner it will be.
the cleanliness of the floor
the time you scrub the floor
11.  Which is the dependent variable in the situation
       below?
amount of gas
Since the gas tank has little gas in it, the 
boat ride will be short.
length of boat ride
12.  Which is the dependent variable in the situation       below?
amount of time
    the squirrel is in 
    the house
The longer the squirrel is in Ms. Maynard'shouse, the more walnuts will be in herceiling.
the number of     walnuts in the     ceiling
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