If f(x) = x² – 3, where x is an integer, which of the following could be a value of f(x)?
a. 6
b. 0
c. -6
it would be great if you could add a few words of explanation

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?