Which expression can be used to find the quotient of 15 and One-third? 15 + one-third 15 minus one-third 15 times one-third 15 divided by one-third

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

How do i put 3(x+7) in distributive property

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4