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Anonymous Anonymous
  • 01-08-2015
  • Mathematics
Answered

If the range of the function f(x)=x4 is {28, 30, 32, 34, 36}, what is its domain?

Verified Answer :

HellokittyGirl2001 HellokittyGirl2001
  • 05-08-2015

f(28)=4x  f(28)=4(7)          (7,28)
f(30)=4x  f(30)=4(7.5)       (7.5,30)
f(32)=4x  f(32)=4(8)          (8,32)
f(34)=4x  f(34)=4(8.5)       (8.5,34)
f(36)=4x  f(36)=4(9)          (9,36)

If the domain is the x-coordinates than its 7, 7.5, 8, 8.5, 9

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