12. The function Fis defined as following
X IF X > 2
F(x) = 2 IF-2< X 52
X+4 IF XS-2
Sketch the graph of F(x)
ii) Determine the domain and range of (F(X)
i)
13 (a) Find the inverse of R = {(x, y): y = 3x -2}
And hence determine its domain and range
(b)Draw the graph of R
If R = {(x, y): x + y 2 and x - y <4}

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

How many ordered pairs of positive integers satisfy xy=32?

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?