Question

The graph of a function is shown.

What is the domain of the function?

A) x ≥−2
B) x≥1
C) x≥0
D) x≥−4

Answer 1

D, because the graph starts at -4 and is going positive to infinity

Answer 2

`x\geq -4`

Explanation:

Notice the Function, and the starting point at (-4, -2)

Now, the domain of a function is the set of x-values where the equation is true.

And now, see the function graph going right to the first quadrant, where the x-values increase. (Also, the graph of the function represents the values for which it is true.

So, It starts at -4, and goes further to the first quadrant(where the x-values increase) So, it is
`x\geq -4`

Hope I explained it well enough, if you need extra help, go to Khan Academy!

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