Answer:
-2=9
0=-5
1=-3
2=-1
5=5
Step-by-step explanation:
Replace 'x' with the number corresponding to the side of the table.
Ex. f(-2)=2(-2)-5
For this case we have that by definition:
Where,
- <em>s: speed
</em>
- <em>d: distance
</em>
- <em>t: time
</em>
Therefore, we have then:
Thus, replacing values we have:
Answer:
An expression that calculates the speed in meters per second of an object that travels to distance of 40 m every 10 s is:
Option C.