Question

BRAINLIEST ASAP!

The hourly temperature at Portland, Oregon, on a particular day is recorded below.
1 A.M. 2 3 4 5 6 7 8 9 10 11 12 Noon
46° 44° 43° 41° 40° 40° 41° 43° 46° 52° 65° 69°
1 P.M. 2 3 4 5 6 7 8 9 10 11 12 Midnight
72° 74° 75° 75° 77° 75° 74° 70° 62° 55° 51° 48°

a. Find the amplitude of a sinusoidal function that models this temperature variation

b. Find the vertical shift of a sinusoidal function that models this temperature variation.

c. What is the period of a sinusoidal function that models this temperature variation?

d. Use t = 0 at 5 P.M. to write a sinusoidal function that models this temp. variation.

e. What is the model’s temperature at 10 A.M.? Compare this to the actual value?