weighs 21.5 pounds?
13. BATTERY The graph shows the percent y (in decimal form)
of battery power remaining x hours after you turn on a
laptop computer.
a. Write a linear function that relates y to x.
b. Interpret the slope, the x-intercept, and the
y-intercept.
c. After how many hours is the battery power at 75%?
Power remaining
(in decimal form)
Laptop Battery
y
1.0
0.8
0.6
0.4
0.2
0
0 1 2 3 4 5 6 x
Hours