Answer:
(a)y=100-3x
(d)60 minutes
Explanation:
Part A (Equation)
She started the concert at 100%.
Taylor lost 3% battery life every 2 minutes.
• Let y represent her battery life.
,• Let x represent the number of 2 minutes that passed.
The equation representing this situation is:
[tex]y=100-3x[/tex]Part B(Table)
When x=0, y=100-3(0)=100 (0,100)
When x=5, y=100-3(5)=85 (5,85)
When x=20, y=100-3(20)=40 (20,40)
When x=30, y=100-3(30)=10 (30,10)
The table is presented below:
Part C
Next, the graph of y=100-3x is plotted below.
We have used the x and y-intercepts to plot the line below:
Part D
When Taylors battery life = 10%
y=10%
We see from the table that:
When x=30, y=10%
Therefore, after 30 x 2 = 60 minutes, Taylor's phone will reach 10% battery life.
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