After a laptop is purchased, it's value decreases by $150 each year. After 2 years the laptop is worth $600.
1 answer:
Answer: a.
b. $900
c. $150
Step-by-step explanation:
Given: The value of laptop decreases $150 each year .It means it is a linear function.
If after 2 years the laptop is worth $600.
Then the original value of laptop=
Now, Let V be the value of the laptop x years after it is purchased.
Then will be the required equation .
To find the value of the laptop 5 years after it is purchased, put x=5 in the equation, we get
Thus, the value of laptop after 5 years = $150
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Answer: Third option:
Step-by-step explanation:
The equation in Slope Intercept form of a line that does not pass through the point (0,0), which is known as "Origin, is the following:
Where "m" is the slope of the line and "b" is the y-intercept.
The equation in Slope Intercept form of a line that passes through the Origin, is:
Where "m" is the slope of the line.
In this case you can observe in the picture attached that the line passes through the point (0,0).
You can also notice that "y" would be the Dependent variable and "x" the Independent variable.
Therefore, the equation of this must have this form:
The only equation that matches with that form, is the one given in the Third option. This is: