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I need help with this question

I need help with this question-example-1
User Erikvimz
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1 Answer

7 votes

Answer:

4th option

Explanation:

note that y = f(x)

locate f(x) = 1 ( output) on the y- axis, then a horizontal line passing through y = 1 intersects with the curve at (- 7, 1 ) and (2, 1 )

the input is then the x- coordinates of these 2 points , that is

x = - 7 and x = 2

User Skadya
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