In this problem, represents the sea level. Since Dominic is
feet below the surface (sea level), his current location is at
feet.
The same concept can be applied to Karen, who is at feet.
We need to find who is lower, or farther below . This means the answer is
.
ANSWER
4.1 units to the nearest tenth.
EXPLANATION
The graph of the two functions are shown in the attachment.
The coordinates of point A is (1.6,4.1).
The coordinates of point B is (7.1,6.1)
The x-axis represents the ground level.
The distance of point A from the ground level is how far the y-coordinate of this point is from the x-axis.
Which is |4.1-0|=4.1
