Help me solve this. ASAP

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

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?