is it true A nonlinear line is used to indicated gradual and/or rapid movement away or toward the baseline

Anthony is making a collage for his art class my picking shapes randomly. he has five squares, two triangles, two ovals, and four circles. find p( circle is chosen first)

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?