3x - 4y = 24
To solve for the x-intercept, we need to make the value of y equal to 0.
3x - 0 = 24
3x = 24
Divide both sides by 3.
x = 8
<h3><u>The x intercept is 8.</u></h3>
The first is C
The second is D
The third is A
Linear depreciation is represented by the equation

.
Therefore, 7 years.