# Attend to precision. The equation y âˆ’ 160 = 40(x âˆ’ 1) represents the height in feet, y, of a hot-air balloon x minutes after the pilot started her stopwatch. a. Is the hot-air balloon rising or descending? Justify your answer. b. At what rate is the hot-air balloon rising or descending? Be sure to use appropriate units. c. What was the height of the balloon when the pilot started her stopwatch?

1 answer

###### Question:

Attend to precision. The equation y âˆ’ 160 = 40(x âˆ’ 1) represents the height in feet, y, of a hot-air balloon x minutes after the pilot started her stopwatch.

a. Is the hot-air balloon rising or descending? Justify your answer.

b. At what rate is the hot-air balloon rising or descending? Be sure to use appropriate units.

c. What was the height of the balloon when the pilot started her stopwatch?

a. Is the hot-air balloon rising or descending? Justify your answer.

b. At what rate is the hot-air balloon rising or descending? Be sure to use appropriate units.

c. What was the height of the balloon when the pilot started her stopwatch?

## Answers

Answer:Step-by-step explanation:a. the balloon is rising because the slope is positive. the slope is 40 because when you simplify y-160 = 40 (x-1) it gets you y = 40x +120b. it is ascending (bc positive) at 40 feet per minutec. it was at 120 feet in the air. The 120 is the y intercept

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