How do you find the derivative of # f(x)=-9/x#?
1 Answer
May 30, 2016
Explanation:
Begin by writing f(x)
#=-9/x=-9x^-1# now differentiate using the
#color(blue)"power rule"#
#d/dx(ax^n)=nax^(n-1)#
#rArrd/dx(-9x^-1)=(-1)xx(-9)x^(-1-1)=9x^-2=9/x^2#
