Asked by that emo girl!

Find the range of the function f(x)=4x-1 for the domain {-1,0,1,2,3}
A){-5,-30,7,11}
B){-5,-4,-3,-2,-1}
C){-11,-7,-3,1,5}
D){-5,-1,3,7,11}
Can someone help, am i right is the answer B????

Answers

Answered by Steve
f(-1) = -5, so C is out
f(0) = -1, so only D is left

you should check the other points, but they look good. Note that y increases by 4 at each step, since the slope is 4.
Answered by that emo girl!
OH ok thank you @Steve
Answered by that emo girl!
A fellow emo?? ^_~ ^_^ lol!!
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