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April 19, 2014

April 19, 2014

Posted by **fatima** on Monday, September 17, 2012 at 2:37am.

and whose range is {-1,0,3}

B.Find two different functions whose domain is {3,8}and whose range is {-4,1}

C Explain why there does not exist a function whose domain is {-1,0,3} and whose range is [3,4,7,9}

D.Give an example of two different functions f and g ,both of which have the set of real numbers as their domain ,such that f(x)=g(x)for every rational number x

E.Give an exampleof a function whose domain equals the set of real numbers and whose range equals the set of integers

please give me th e detailed explanation

show me the work

- 11th grade maths -
**Steve**, Monday, September 17, 2012 at 11:16amA: y = 4 - |x-8|

B:

y = x-7

y = 7 - |x-14|

C: one of the domain values must map to 2 range values. Not a function.

D: tricky, if you want f=g**only**for rational numbers. If f and g are continuous, then f=g for all reals.

E: y = ⌊x⌋ where ⌊x⌋ is the greatest integer less than or equal to x. Equivalent to x-mod(x,1)

- 11th grade maths -
**emily**, Monday, September 17, 2012 at 10:33pmHow do you fiind the averege rate change

- 11th grade maths -
**emily**, Monday, September 17, 2012 at 10:34pmHow do you fiind the averege rate change

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