Question Detail
Question
Find the derivative of y = 7^(4x+2) with respect to x
Correct Answer
Option A is the correct answer.
Detailed Explanation
For y=a^u, dy/dx=a^u·ln(a)·u'. Here u=4x+2, u'=4, so dy/dx=4(7^(4x+2))ln7.
Hint
Use the general rule d/dx[a^u]=a^u·ln(a)·(du/dx).