anonymous
  • anonymous
What is the range of y = 5x -2 if the domain is {-3, -1, 0, 1, 3}? Answer {-13, -3, 2, 3, 13} {12, 3, 0, 3, 13} {-17, -7, -2, 3, 13}
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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knick032
  • knick032
Plug all the values of the domain in for x. The answers you get will be the range.
anonymous
  • anonymous
Im sorry. What is the answer?
knick032
  • knick032
I explicitly told you how to find the answer. It doesn't get any easier than that.

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anonymous
  • anonymous
Its B?
anonymous
  • anonymous
?
anonymous
  • anonymous
or is it A?
knick032
  • knick032
When you plug -3 into the equation for x, what number do you get for y?
anonymous
  • anonymous
I have no idea.
knick032
  • knick032
What is 5 times -3?
anonymous
  • anonymous
-30
knick032
  • knick032
Incorrect. Let's just do 5 times 3. One of your hands has 5 fingers, right? How many fingers would you have if you had 3 hands?
anonymous
  • anonymous
15?
knick032
  • knick032
Yes. But since we're multiplying 5 times negative 3, we put a negative sign in front of the answer. So 5 times -3 = -15. In the original equation, it says y = 5x - 2. So now you need to solve: -15 minus 2.
anonymous
  • anonymous
-13!
knick032
  • knick032
Actually, since we're subtracting from a negative number, the answer will be "more negative." Another way to think of it is -(15+2). So you would solve for 15+2, and then put a negative sign in front of it. What do you get?

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