The graph that best represents the function can be seen in the attached graph. What you should do is evaluate a large number of points in the function and find the result. Then graph. Remember that for x = 1 the LN of 0 is not defined since it tends to infinity.
The answer is 13 because you would multiply 1/2 by 14 which is 7 and then multiply 2 and -3 which is -6 the you would subtract-6 from 7 to get 13
So you just plug in the X value of the number that d represents for example if I plug in 2 for d
7(2)^2+10=38