A bedroom is shaped like a pentagon. A designer wants to put a triangular bookshelf in the corner marked on the diagram. The sum
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Given : If x ≠ -2 then f(x) =
As -5 ≠ -2 ⇒ f(-5) =
Given : if x = -2 then f(x) = -1
As x = -2 ⇒ f(-2) = -1
Given : If x ≠ -2 then f(x) =
As 2 ≠ -2 ⇒ f(2) =
We observe that a line will pass through 3 points, but to find a slope we only need two.
We see that it passes through points (assuming the scale of graph is 1 : 1) and
.
We can use slope formula that applies for any line and produce the same slope for any two different points on the line
So the slope is -1 also it intersects y-axis at so the general form of the linear function is
That is in your case
Hope this helps.