Five more than the product of a number and four is seven

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

Which one ? is the answer and how to find this answer

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)