Once we have a simple regression line, we can use it to predict values for the independent variable X and the dependent variable Y.

Choose one
True

False

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

The square root of 9x plus 7 plus the square rot of 2x equall to 7