Interpret the Linear Equation

question 236

Multiple Choice

Interpret the linear equation.
-The altitude above sea level of an airplane just after taking off from an airport on a high plateau is given by the linear function y = 900x + 3498, where y is in feet and x is the time in minutes since take-off. Find and interpret
The slope and y-intercept.

• A) m = 900; The minutes since take-off increases 900 for every foot of altitude. b = 3498; The minutes that the plane takes to get to the altitude of the airport from sea level.
• B) m = 3498; The minutes since take-off increases 3498 for every foot of altitude. b = 900; The minutes that the plane takes to get to the altitude of the airport from sea level.
• C) m = 900; The altitude of the airplane increases 900 feet every minute. b = 3498; The altitude of the airport where the airplane took-off is 3498 feet above sea level.
• D) m = 3498; The altitude of the airplane increases 3498 feet every minute. b = 3498; The altitude of the airport where the airplane took-off is 900 feet above sea level.

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