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OpenStudy (anonymous):
What is the range of f(x)=2x^2-1?
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OpenStudy (anonymous):
All real numbers?
OpenStudy (anonymous):
No, it's from -17 to infinity. -17 is your y-intercept (which is the lowest your range can go in this case) and the parabola is upwards pointing (positive infinity)
OpenStudy (anonymous):
? Here's the multiple choice problem:
OpenStudy (anonymous):
Oh, nvm... read it wrong. sorry, your intercept is -1(not 17)
OpenStudy (anonymous):
The correct answer is the first choice
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OpenStudy (anonymous):
Thank you :)
OpenStudy (anonymous):
Your welcome :)
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