hoosierkid5633
05.08.2019 •
Mathematics
Saturday, nola bowled 3 games in her bowling league. she had a mean score of 115. the score of her first game was 110. the score of her second game was 90. what was the score of her third game? a. 145 b. 345 c. 140 d. 225
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Ответ:
Ответ:
f(x) = 2x³ - 3x² + 7
f(-1) = 2(-1)³ - 3(-1)² + 7
=> f(-1) = 2(-1) - 3(1) + 7
=> f(-1) = -2 -3 + 7
=> f(-1) = 2
f(1) = 2(1)³ - 3(1)² + 7
=> f(1) = 2(1) - 3(1) + 7
=> f(1) = 2 -3 + 7
=> f(1) = 6
f(2) = 2(2)³ - 3(2)² + 7
=> f(2) = 2(8) - 3(4) + 7
=> f(2) = 16 - 12 + 7
=> f(2) = 11