Which is the graph of f(x) = 1/4 (4)?

What is the value of x? enter your answer in the box. photo attached.

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Me find the value of x each figure.