Question

how do i solve for lim ^+ and ^- ?

*attached*

Answer 1

can someone help pls

Answer 2

Ok, so imagine that x is a number just infinitesimally smaller than 7/8. What would you have in the numerator? What would you have in the denominator? This is the limit as x approaches 7/8 from the left (-).

Now imagine x is a number infinitesimally larger than 7/8. Again, what is the numerator, what is the denominator? This is the limit as you approach 7/8 from the right(+)