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Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.
y = x² + 2x+2
a. D: all real numbers
R: (≤2)
b. D: all real numbers
R: (≤1)
C. D: (x21)
R: (≥2)
d. D: all real numbers
R: (21)

Sagot :

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