You are probably familiar with the f(x) notation for a function. Essentially, a function is a machine where you substitute values in for the variable, x, and the machine delivers some value. Of course, the formal definition is a bit more complex than the latter, but for GMAT purposes, this is enough.
Lets look at the problem #x can be taken to be f(x) = x² + 4. So that means #p = p(x) = p² + 4 and #(p + 3) = (p + 3)² + 4. Now, lets set the last two equal to each other:
Users browsing this forum: No registered users and 1 guest
You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot post attachments in this forum
GMAT(TM) and GMAT CAT (TM) are registered trademarks of the Graduate Management Admission Council(TM). The Graduate Management Admission Council(TM) does not endorse, nor is affiliated in any way with the owner or any content of this site.