Question

According to a weather service, the formula to calculate the average temperature in New Orleans for any given day of the year is T(x) = 20 + 8cos[ 2π/ 365 (x - 197)]. By looking at the formula, what are the high and low average temperatures for New Orleans during the year?

A) 18 °C; 10 °C

B) 20 °C; 12 °C

C) 28 °C; 12 °C

D) 28 °C; 20 °C

Answer 1

which answers can you eliminate

Answer 2

A and B?

Answer 3

thats a good start

Answer 4

can you think of why you would pick either C or D

Answer 5

I was thinking D

Answer 6

ok try that and see if it works out for you

Answer 7

It was C