Let ` f(x) = \sqrt ( 4 x^2 + 2 x + 4 )`

` f'( x ) = `  

` f'( 5 ) = `  

Hint

Get help: Video

Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question

Box 2: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity