Select the equation that is equivalent to (x+5)2 - (x-3) (x+5)

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

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.

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8