Given are the functions fp(x)=9x2+px2+2. The line k with a slope of 2,5 touches fp in A with xA=−1. Get the function of k algebraically.

Given are the functions fp(x)=9x2+p−−−−−√x2+2. The line k with a slope of 2,5 touches fp in A with xA=−1. Get the function of k algebraically.