Question

f(x)=x²+18x-19/x-1, x=1
=20, x=1​

Answer 1

Step-by-step explanation:

f(x)= x^ 2+8x-19/x-1

If x= 1

f(1)= 1^ 2+8(1)-19/1-1

=1+8-19/0

= -10/0

= not defined

If x= 20

f(20)= 20^ 2+8(20)-19/20-1

= 400+160-19/19

= 560-19/19

= 541/19