2/cos x
........................
Easy
just find the slope between those 2 points
f(-6)=6
f(-3)=0
slope=rise/run=-6/3=-2
slope is -2
A is answer
7 1/2 pages divided by 9 minutes is 5/6 pages per minute.
The answer to the question is 9/45, 8/40
Split the shape in 3 rectangles
4x2=8x2= 16 ( the bottom and top rectangle)
6x2= 12 (middle rectangle)
16+12=28