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OpenStudy (kj4uts):
In the function y=-3x^2+1, What effect does the negative sign have on the graph, as compared to the graph of y=x^2? A. It shrinks the graph vertically by a factor of 3. B. It stretches the graph horizontally by a factor of 3. C. It reflects the graph across the x-axis. D. It shrinks the graph horizontally by a factor of 3. Please help and explain. Thank you!
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OpenStudy (kj4uts):
I think it's C. not sure?
OpenStudy (mathmath333):
|dw:1411057361743:dw|
OpenStudy (kj4uts):
Thank you so is it C. It reflects the graph across the x-axis.?
OpenStudy (mathmath333):
no wait
OpenStudy (mathmath333):
|dw:1411057765872:dw|
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OpenStudy (mathmath333):
|dw:1411057826521:dw|
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