Which of the following are examples of exponential decay? select all that apply.

a vehicle depreciates 13% each year.
a tree is doubling in height each year.
an investment earns a 5% interest each year.
air pressure decreases 12% for every 1000 meters in height.
the population of a town is growing at an annual rate of 3.5%.
a retirement account decreases by $12,000 each year.
a radioactive element has a decay rate of 10%.

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

How do you determine whether a relationship represented as as graph is linear or nonlinear

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.