1. Xét tính đơn điệu của các hàm số sau: A. y= 3-2x x+7 . 4 5 y = (x ^ 2 - x + 1)/(x - 1)
B. y = (x ^ 2 - x + 1)/(x - 1)
C. y = x + sqrt(16 - x ^ 2)

7.(03.01 lc)which set represents the range of the function shown? {(-1, 5), (2,8), (5, 3), 13, -4)} (5 points){-1, 2, 5, 13){(5, -1), (8, 2), (3,5), (-4, 13)){-4, 3, 5, 8}{-4, -1, 2, 3, 5, 5, 8, 13}

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122