How do you find the derivative of # f(x)=19-20x#?
1 Answer
Feb 19, 2017
Explanation:
differentiate each term using the
#color(blue)"power rule"#
#color(orange)"Reminder " color(red)(bar(ul(|color(white)(2/2)color(black)(d/dx(ax^n)=nax^(n-1))color(white)(2/2)|)))#
#f(x)=19-20x=19x^0-20x^1#
#rArrf'(x)=0-20x^0#
#rArrf'(x)=-20#
