Question

The foot of a mountain is at sea level.
The temperature at the foot of the mountain was 16
°C.
The temperature at a height of 3000 m on the mountain
was 4 °C.
(a) Find the difference between these temperatures.
[1]
(b) Given that the temperature fell at a constant rate,
find
(i) the temperature at a height of 1800 m, [1]
(ii) the height at which the temperature was 0 °C,
(iii) an expression, in terms of x, for the tempera-
ture, in °C, at a height of x metres. [2]​

Answer 1

Step-by-step explanation:

I think option no (iii) is correct

Answer 2

Step-by-step explanation:

I don't know you pls tell me pls