find f'(1) if f(x)=(ax+b)(cx-d)
Cubist Senior Member Joined Oct 29, 2019 Messages 1,702 May 6, 2020 #2 Please post some of your work, or try to explain where you are stuck. Here are the posting guidelines. Did you try to differentiate f(x) ?
Please post some of your work, or try to explain where you are stuck. Here are the posting guidelines. Did you try to differentiate f(x) ?
Dr.Peterson Elite Member Joined Nov 12, 2017 Messages 16,855 May 6, 2020 #3 Bingo1032 said: find f'(1) if f(x)=(ax+b)(cx-d) Click to expand... To find f'(x), you can either use the product rule as it stands, or expand (distribute to remove parentheses) and then differentiate more easily. Which way are you trying?
Bingo1032 said: find f'(1) if f(x)=(ax+b)(cx-d) Click to expand... To find f'(x), you can either use the product rule as it stands, or expand (distribute to remove parentheses) and then differentiate more easily. Which way are you trying?
H HallsofIvy Elite Member Joined Jan 27, 2012 Messages 7,763 May 7, 2020 #4 There are several methods one could use to find the derivative. Apparently the method you chose is "ask someone else to do it for you"!
There are several methods one could use to find the derivative. Apparently the method you chose is "ask someone else to do it for you"!