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OpenStudy (anonymous):
Evaluate the expression below when x = 9. 3x + 2x2 - 9
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OpenStudy (anonymous):
f(9)=3(9)+2(9)^2-9
OpenStudy (anonymous):
A. 54 B. 180 C. 342 D. 4,365
OpenStudy (anonymous):
3x + 2x^2 - 9 3(9) +2(9)^2 -9 27 + 162 -9 18 +162 180 Answer B
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