A snowboarder starts at the top of a mountain that is 2,500 feet above sea level. The snowboarder then descnds at a constant rate of 650 feet per minute. Which equation represents this situaltion, where y represents the current altitude of the snowboarder, in feet, and x represents the number of minutes that have passed? A. y = 2,500x - 650 B. y = 650x + 2,500 C. y = -650x - 2,500 D. y = -650x + 2,500
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
A snowboarder starts at the top of a mountain that is 2,500 feet above sea level. The snowboarder then descnds at a constant rate of 650 feet per minute. Which equation represents this situaltion, where y represents the current altitude of the snowboarder, in feet, and x represents the number of minutes that have passed?
A. y = 2,500x - 650
B. y = 650x + 2,500
C. y = -650x - 2,500
D. y = -650x + 2,500
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