f(x) = x^2 + 3x - 7
For the function shown, what is the range of the function when the domain is {-3, 2, 5}?

Question

f(x) = x^2 + 3x - 7
For the function shown, what is the range of the function when the domain is {-3, 2, 5}?

anonymous · Answer

The range of a function is just the set of values of that function for all values in the domain of the function. Is this enough to go on?

anonymous · Answer

yes

anonymous · Answer

Very good.

anonymous · Answer

I'm new to figuring this stuff out just so you know ha

anonymous · Answer

is there another step or example that you could use to help me?

anonymous · Answer

You have f(x) = x^2 + 3x - 7

One point or element in the domain is -3. So evaluate f(-3) = (-3)^2 + 3(-3) - 7 = -7. Then -7 is in the range of this function. It's that simple.

anonymous · Answer

Okay, so we have -7 and 3 right?

anonymous · Answer

Give me a minute. My arithmetic is dreadful.

anonymous · Answer

okay haha

anonymous · Answer

I was thinking it may be (-7, 3, 33)

anonymous · Answer

I get the same numbers.

anonymous · Answer

Thanks for your help!

anonymous · Answer

You're very welcome.

anonymous · Answer

Will you help me with my next question?