Question

The sale of sweaters in a town changes with the temperature. If a statistical model predicts that daily sales (in dollars) are determined by the function s = 900 − 100t, where t is the temperature (in degrees Celsius), what is the temperature if sweater sales are at $1,200?

–3°C

0°C

–4°C

3°C

Answer 1

s = 900 - 100t.

s = sales = 1200.
Substitute in the function.

Answer 2

1200=900-100t

Answer 3

and I gets the -3 cause Thats what I gets

Answer 4

@saifoo.khan

Answer 5

and it is -3

Answer 6

Yes.