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Pani-rosa [81]
3 years ago
13

What is the domain and range of f(x)=2.5x when x goes up to 800

Mathematics
1 answer:
Mandarinka [93]3 years ago
3 0

Answer:

Domain:  all real numbers.  Range:  (-∞, 2000]

Step-by-step explanation:

f(x)=2.5x is a simple "ramp" function, a linear function and a polynomial.  As such, its domain contains "all real numbers."  That value 800 defines the largest value that this f(x) can have:  f(800) = 2.5(800)  = 2000.  

Thus, the range is "all real numbers from -∞ through and including 2000."

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