Created by Tomer Gal.

Problem

Let h, left parenthesis, x, right parenthesis, equals, 6, start superscript, left parenthesis, 3, x, start superscript, 3, end superscript, plus, 8, x, right parenthesis, end superscript.
Find h, prime, left parenthesis, x, right parenthesis.
Please choose from one of the following options.