Asurvey indicated that 3 out of 5 doctors use brand x aspirin. if 2000 doctors were surveyed, how many used brand x

Is each relation a function? if so, state whether it is one-to-one or many-to-one. 3. (-4,7), (-3,5), (1,4), (3,-8), (5,-11) 4. (-4,8), (-2,4), (0,1), (2,4), (4,8) 5. (-2, 1), (-2,3), (0,-3), (1,4), (3,1)

Determine the relationship of ab and cd given the following points

The area of a circle is equal to 1 dm². find the radius of the circle.