Calculus
posted by Z32 .
Evaluate the integral.
2 at the bottom of the integral sign and 7 at the top. f(x)dx
f(x)={x if x<1 and 1/x if x> or equal to 1
I'm not sure how you would apply these two concepts together?

Do it as two integrals and add them.
integral of x dx from 2 to 1
plus
integral of dx/x from 1 to 7