Question

I know the answer to #6, but can someone show me how to get to that point?

Answer 1

find the slope by taking the derivative and replacing x by 1
then use the point slope formula

Answer 2

\[f(1)=15+8\ln(1)=15\] so your point is (1,15)
\[f'(x)=\frac{8}{x},f'(1)=8\] so your slope is 8
point -slope gives equation for the line

Answer 3

ok i see what i was doing wrong

Answer 4

ok good