SOLUTION: Graph 4x^2+9x^2=16. What are the domain and range?

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Question 748892: Graph 4x^2+9x^2=16. What are the domain and range?
Answer by lwsshak3(11628) About Me  (Show Source):
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Graph 4x^2+9x^2=16. What are the domain and range
4x^2+9x^2=16
y=13x^2-16
domain: (-∞,∞)
range:[-16,∞)
see graph below:

+graph%28+300%2C+300%2C+-2%2C+2%2C+-20%2C+20%2C+13x%5E2-16%29+