Answer:
C
Step-by-step explanation:
When she first noticed the problem
I guess the function is a parabola with vertex at (0,0) and opens down so the range is (-infinity, 0].
Answer:
2(x+8)
Step-by-step explanation:
Answer:
28 miles
Step-by-step explanation:
Let w stand for the number of miles Derrick runs each week. Then after 4 weeks of training, he wants the total mileage to be 100 miles.
16 + 3w = 100
3w = 84 . . . . . . . subtract 16
w = 28 . . . . . . . . divide by 3
Derrick will run 28 miles each week to achieve his training goal.
