Question

CAN ANYONE HELP ME PLSSSSSSSSSSSSSS?????!!!!!

Answer 1

The temperature of a chemical reaction ranges between 20°C and 160°C. The temperature is at its lowest point when t = 0, the temperature is 90 degrees and increasing and completes one cycle over an eight-hour period. What is a sine function that would model this reaction?

Answer 2

i can

Answer 3

f(t) = 90 sin pi over 4t + 70

f(t) = 70 sin pi over 4t + 90

f(t) = 70 sin 8t + 90

f(t) = 90 sin 8t + 70

Answer 4

help you yourself

Answer 5

The amplitude and vertical shift can be found with the temperatures given

160°C − 20 = 140°C
140°C / 2 = 70°C

The amplitude's 70

70°C + 20 = 90°C

The vertical shift's 90

You'll have to divide 360° by the 8 hours to find the period

360 / 8 = 45

Normally the horizontal shift would be 90° to the right, since this starts at the 270° point in the function, but because the period's 8 instead of 360° it's 8 / 4 = 2°

y = 70 sin(45(x − 2°)) + 90
y = 70 sin(45x − 90°) + 90

Answer 6

That doesn't work, @A.K.C.15

Answer 7

I don't know what to do after the last equation