Kathy and Diane speed walk for exercise. Kathy walks at 4 mph while Diane walks at 5 mph. They stand and talk at a corner, then Diane starts walking east and Kathy starts walking north. Which choice is closest to the distance
between them after 90 minutes? Hint: Distance = rate . time.
4.5 miles
o 9.5 miles
6.5 miles
13.5 miles
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step-by-step explanation:

dong do iy iys a scram

d

step-by-step explanation:

by observation, we can see that the the graph is simply the graph of y = |x| that has been shifted 4 units downwards and 3 units to the left.

we can recognize in choice d :

y = | x + 3 |   - 4 (rewriting in general form)

y = | x - (- 3) |   - 4

the "-4 " term means   that the graph has been shifted by 4 units in the negative y direction

the "-3 " term means   that the graph has been shifted by 3 units in the negative x direction

this matches our observation of the graph described above.

2

step-by-step explanation: