A Senate must be over 40 years old

以4，9，1为为插值节点，求\(\sqrt x \)的lagrange的插值多项式 A: \( {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) + {1 \over {24}}(x - 4)(x - 9)\) B: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) + {1 \over {24}}(x - 4)(x - 9)\) C: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x +1) + {1 \over {24}}(x - 4)(x - 9)\) D: \( - {2 \over {15}}(x - 9)(x - 1) + {3 \over {40}}(x - 4)(x - 1) - {1 \over {24}}(x - 4)(x - 9)\)

Which of the following is true of Madame’s age? A: She was over 40 B: She was over 30 C: She was over 20 D: None of the above

40（） A: higher B: over C: up D: more

The company pays for any hours worked over 40 in one week.

America succeeded in shaping world events over past 40 years probably because of ___________.

Sales are rising _____ more than 40% per year. A: over B: with C: by D: to

中国大学MOOC:"In addition to subsidiaries, Zoomlion has ___________________________ and research institutions in over 40 countries.";

Q8: What have Starbucks tried to do from the beginning as a single store over 40 years ago?A:From our beginnings as a single store over 40 years ago, in every place that we’ve been, and every place that we touch, we’ve tried to ____________________________________.

中国大学MOOC: ___________is the most common cause of vision loss in people over age 40 and is the principal cause of blindness.