5. What is the name of the segment inside the large triangle?

I'm confused on this could anyone me and show me what i need to do to solve it.

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)