The irrational in between should be 7.8
Answer:
-3
Step-by-step explanation:
we khow that the vertex form of a function is written this way :
f(x)=a(x-h)²+k
- the coordinates of the vertex are (h,k) so from the graph we can deduce that k = -3
200 m to 4 hours
200/4
50m/1hour
D none of them fit the data set.