A train leaves miami at 1:00 pm. a second train leaves the same city in the same direction at 7:00 pm. the second train travels
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- What is the range of the given function?
- (–2, 0), (–4, –3), (2, –9), (0, 5), (–5, 7)
- A {x | x = –5, –4, –2, 0, 2}
- B {y | y = –9, –3, 0, 5, 7}
- C {x | x = –9,–5,–4,–3,–2,0,2,5,7}
- D {y | y = –9,–5,–4,–3,–2,0,2,5,7}
- The range of a function is the complete set of all possible resulting values of the dependent variable (y, usually), after we have substituted the domain.
- The range is the resulting y-values we get after substituting all the possible x-values.
- The range of a function is the spread of possible y-values (minimum y-value to maximum y-value)Substitute different x-values into the expression for y to see what is happening. (Ask yourself: Is y always positive? Always negative? Or maybe not equal to certain values?)Make sure you look for minimum and maximum values of y.
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