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Sagot :
f(-2) means the x value is -2 and you need to find the y value at that point.
At x = -2 the line crosses the y axis at y = 2
f(-2) = 2
If a pair related to the function is graphed
Then
- (x,y) be a pair
So
f(x)=y
- x is domain
- y is range
Her e
- f(-2)
Find the point
- (-2,2)
So
f(-2)=2
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