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Find Domain and range of the function

f (x)=2x+7, -1 <= ×<= 6

(<=) is less than or equal to, sorry

2 answers

clearly the domain is [-1,6]

Since it's just a straight line segment, figure f(x) at the ends, and the range is the interval between them.
So it just depends on the type of function it is and the intervals given
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