Which of the following inequalities is best represented by this graph?

a: x-3y> 5
b: x-3y< 5
c: x-2y> 5
d: x-2y< 5

Option 'B' is correct.

Step-by-step explanation:

Since we have given that from the graph:

since these two points are satisfied in

Because,

If we put x=5

Similarly, if we put (2,-1)

We get,

And we can see from the graph that shaded portion is towards the origin.

So,

Hence, Option 'B' is correct.

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step-by-step explanation:

to determine whether a given function is even, we simply substitute x with -x in the expression. if the result after simplification is identical to the original equation, then the function is said to be even other wise odd.

f(-x) = (-x)^2 - (-x) + 8

      = x^2 + x +8

the resulting function is not identical to the original one;

f(-x) ≠ f(x)

therefore, f(x) is not an even function