Apply the square root principle to solve (x - 2)2 + 20 = 0.
O A) X=-2 + 21-16, x=-2 - 21-15
OB) x = 2 + 2.13.x = 2 -27
C) x= 2 + 2; x = 2 - 211
D) x=-2 +2.16. x = -2 - 2.5

896.31 cm= km 100cm = 1m 1000m = 1km a) 0.0089631 b) 0.0089631 c) 8.9631 d) 89.631

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21