Nevermind I did this wrong, forget that I had a answer.
Answer:
First picture: 1st choice, -7
Second Picture: Second Choice, f(5)=9
Third Picture: Second Choice, the volume of the basketball when the radius is <em>r</em>
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-7 is the correct result of that equation
-- #34 is choice-C .
-- See the picture attached to this answer, for both solutions.