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Vsevolod [243]
3 years ago
8

5. h(x)=0.5x - 1 with domain (-♾, 4) what is the range

Mathematics
1 answer:
Rudiy273 years ago
6 0

We have a domain of a function, that is, which x-es can we throw in. But we are asking which y-s will we get given that we can only throw x-es in (-\infty,4).

Let's try x=4 even though we are forbidden to put 4 inside h we are still able to do so.

So h(4)=0.5\cdot4-1=2-1=1 what we just got is the upper limit of the range. The lower limit is h(-\infty)=-\infty.

So the range is just (-\infty, 1).

Hope this helps :)

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