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Functions 11 Student Edition
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Exercise
1, Functions 11 Student Edition
Part (a)
Part (b)
Part (c)
3
Chapter 1: Functions
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Exercise 1
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Part (d)
Part (a) Answer
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Step by step explanation
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Tip
A linear relationship (also known as a linear association) is a statistical phrase that
refers to a straight line between two variables. linear relationships can be
represented graphically or mathematically as an equation of the form y = mx + b. 
Explanation
The given linear relation is y = 3x − 1. 
Step 1 of 2`
Calculate the x intercept:
⇒ y = 3x − 1 
substitute y = 0, 
⇒ 0 = 3x − 1 
​
​
1
x=
3
Calculate the y intercept:
substitute x = 0, 
⇒ y = 3x − 1 
​⇒ y = 3 × 0 − 1​
y = −1
Step 2 of 2
A straight line connects the y intercept to the x intercept.
1
x = = 0.333 and y = −1 
3
Final Answer
Finally, we conclude that the linear relationship's graph is displayed.
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Part (b) Answer
86% like this
Step by step explanation
HIDE ALL
Tip
A linear relationship (also known as a linear association) is a statistical phrase that
refers to a straight line between two variables. linear relationships can be
represented graphically or mathematically as an equation of the form y = mx + b. 
Explanation
The given linear relation is y = − 1 x + 5. 
4
Step 1of2`
Calculate the x intercept:
1
y =− x+5
4
substitute y = 0, 
1
⇒0=− x+5
​
4
​
x = 20
Calculate the y intercept:
substitute x = 0, 
1
⇒y =− x+5 
4
​ ⇒ y = − 1 × 0 + 5​
4
y=5
Step2of2
A straight line connects the y intercept to the x intercept.
x = 20andy = 5 
Final Answer
Finally, we conclude that the linear relationship's graph is displayed.
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Part (c) Answer
Step by step explanation
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Tip
A linear relationship (also known as a linear association) is a statistical phrase that
refers to a straight line between two variables. linear relationships can be
represented graphically or mathematically as an equation of the form y = mx + b 
Explanation
The given linear relation is 2x − 3y + 12 = 0. 
Step 1of2`
Calculate the x intercept:
2x − 3y + 12 = 0 
substitute y = 0, 
⇒ 2x − 3 × 0 + 12 = 0 
⇒ 2x + 12 = 0
​
​
⇒ 2x = −12
x = −6
Calculate the y intercept:
substitute x = 0, 
⇒ 2x − 3y + 12 = 0 
⇒ 2 × 0 − 3y + 12 = 0
y=4
Step 2 of 2
A straight line connects the y intercept to the x intercept.
x = −6 and y = 4 
Final Answer
Finally, we conclude that the linear relationship's graph is displayed.
Did you find what you were looking for?
Part (d) Answer
Step by step explanation
HIDE ALL
Tip
A linear relationship (also known as a linear association) is a statistical phrase that
refers to a straight line between two variables. linear relationships can be
represented graphically or mathematically as an equation of the form y = mx + b. 
Explanation
The given linear relation is y = 6. 
Step1of1
The linear relationship's graph y = 6 is displayed.
Final Answer
Finally, we conclude that the linear relationship's graph y = 6 is displayed
Did you find what you were looking for?
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