Answer:
your answer should be 4/9
Step-by-step explanation:
Hope this helps!
Im not sure how to do it because you don't have a plus or minus sign. add that and then i will show you.
we know that
<u>The domain</u> of the function graphed is the interval-------> [3,∞)

that means
All real numbers greater than or equal to 
<u>The range</u> of the function graphed is the interval --------> [1,∞)

that means
All real numbers greater than or equal to 
therefore
the answer is the option

Step-by-step explanation:
E = m/2g(v²-u²)
2g×E = 2g×m/2g(v²-u²)
2Eg = m(v²-u²)
2Eg = mv² - mu²
mu²= mv² -2Eg
mu²/m = mv² -2Eg /m
u²= v² -2Eg
u = √v²-√2Eg