The hudson family went out to dinner. The meal cost $49.50.

If they also left a 15% tip, approximately how much did the entire dinner cost?

the graph on the bottom right

yes they are the same

f(x) is   are being squared

g(x) is   increasing by 2

h(x) is adding .25 each time

k(x) is taking the square root

f(x) and k(x) are exponential functions