Question 158880
Domain relates to x; range to y.
A. There is a straight line between the 2 points given. The domain is from 2 to 9 inclusive or[2,9], the range is [5,9]
B. The domain is all real numbers. The range is from -infinity to infinity.
C. y=|2x| The domain is all real numbers. The range is from 0 to infinity or [0,infinity) because 2x can't be negative.
D. x=2+3y
3y=x-2
y=(x-2)/3
Domain is all real numbers. Range is (-infinity,infinity).
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Hope that helps.
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Ed