47.5 mph- because 30+65 equals 95 and 95 divided by 2 is 47.5
The ordered pairs are probably (0,10) and then (-1,5).
Answer:
f(x)= (x+8)^2 + 200
Step-by-step explanation:
-b/2a gives you the x coordinate of the vertex and then plug it in for x to get the y coordinate. Put it in the formula (f()x= (x-h)^2 +k).
H is the x coordinate and K is the y coordinate
-39/100 is the answer according to me ..
Plz mark me as brainliest if u found it helpful
