Which part of this graph shows a nonlinear relationship?

Here is another math questions. i will keep asking different questions. 4^2x=6

How much is $1200 worth at the end of1 year,if the interest rate is 5.5% is compounded quarterly.

Darcy bought 1/2 pound of cheese and 3/4 pound of hamburger for a barbecue.use the numbers to compare the amounts of cheese and hamburger darcy bought.