Câu 2: Khẳng định nào sau đây là đúng về hàm số 4 2 y x 4x 2   
:
A. Đồng biến trên (0; +∞) B. Nghịch biến trên tập xác định
C. Đồng biến trên TXĐ D. Đồng biến trên (-∞; 0)

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2

Write a ratio and a percent for the shaded area. it is 3x3 and 5x5 grid there is 6 shaded out of a. 6 over 25 , 30% b. 3 over 50 , 6% c.6 over 25 , 24% d. 3 over 10 , 30%

Larger pets need to be transported in larger portable kennels. using a graphing calculator and the relationship between the width, length, and height, find the dimensions of a portable kennel whose volume is 7.4 ft3. the dimensions of a portable kennel can be expressed as width x, length x + 0.4, and height x − 0.2? what are the dimensions of a portable kennel with a volume of 7.4 ft3? use a graphing calculator to solve. round the dimensions to the nearest tenth.