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The boiling point of water at an elevation of 0 feet is 212 degrees Fahrenheit (°F). For every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°F.

Which of the following represents this relationship if b is the boiling point of water at an elevation of
E thousand feet?

A. E = 2b - 212

B. b = 2E - 212

C. E = -2b + 212

D. b = -2E + 212

Respuesta :

wegnerkolmp2741o

Answer:

 D     b = -2E +212

Step-by-step explanation:

The slope is given by -2 for every 1000 ft

The initial value is 212 degrees

We can use

y = mx+b  where m is the slope and b is the initial value

y = -2x +212

We are at an elevation of E thousand ft

Replace x with E

y = -2 *E +212

b is the boiling point at this elevation

We  replace y with b

b = -2E +212