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Mathematics, 18.10.2019 04:00 raquelrivera03
Question 1 determine whether a relation is a function, as well as its domain and range:
a. which of the following relations are functions?
1. y= -x+3
2. x=y+3
3. x-y=3
a. none of them
b. all of them
c. choice 2 only
d. choice 3 only
b. find the range for f(x)=x^2+1, for x> 0.
a. y> 1
b. y≥1
c. y< 1
d. y≤1
^& not sure on this, but it's a or b?
c. find the domain for f(x)=(x-3)/(x-2)
a. x≠ -3
b. x ≠ 2
c. x ≠ -3, -2
d. x ≠ -2
^this one is b, right? that's what i got.
d. find the range of the function: f(x)=x+2, for x≠1.
a. all real numbers
b. y≠1
c. y≠2
d. y≠3
^this one is d, right? i got this too.
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Question 1 determine whether a relation is a function, as well as its domain and range:
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