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MRY Ch 3.2 Linear Functions: Writing and Evaluating (30 pts)
By Mari Yahner
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Last updated over 2 years ago
15 questions
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Instructions
After watching the lesson on Ch 3.2 (edpuzzles) complete the following questions.
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Question 1
1.
What is the equation y=6+3x written in function notation?
z=6+3x
fy=6+3x
f(x) = 6+3x
Question 2
2.
Given the equation f(x)=6+3x, find the value of f(2)
11
12
18
Question 3
3.
Given the equation f(x)= -2(x+1), find the value of f(5)
-12
1
-8
Question 4
4.
What is the equation y= 3(a+2) -1 written in function notation?
f(y) = 3(a+2) - 1
f(a) = 3(a+2) - 1
f(m) = 3(a+2) - 1
Question 5
5.
Given the equation f(a)= 3(a+2) -1, find the value of f(4)
-2
10
17
Question 6
6.
What is the equation
y = 1 - 4(m/2),
written in function notation?
y = 1 - 4(m/2)
f(m) = 1 - 4(m/2)
f(x) = 1 - 4(m/2)
Question 7
7.
Given the equation f(m)= 1 - 4(m/2), find the value of f(3)
-5
15
-22
Question 8
8.
Given the table
What is the change in y?
+2.5
-4
-2.5
Question 9
9.
Given the table
What is the change in x?
+1
+2
-3
Question 10
10.
Given the table
What is the slope?
+2.5/1
-2.5/1
3/2
Question 11
11.
Given the table
What is the y-intercept?
4
-6
0
Question 12
12.
Given the table
What is the equation of the line in slope intercept form?
y = -2.5x + 4
y = 2.5x - 6
y = -3x +4
Question 13
13.
Given the table
What is the slope?
-1.5
2.5
1.5
Question 14
14.
Given the table
What is the y-intercept?
-2
0
-1
Question 15
15.
Given the table
What is the equation of the line in slope intercept form?
y = -2.5x - 4
y = -1.5x - 1
y = -2x + 0