D(1)=13
d(n)=d(n−1)+17
Find the 4th term in the sequence

Need on this geometry question. explain how you did it.

Which graph represents the parent function of y=(x+2)(x-2)

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.