Which line models the data given below?
x y
-2 0
-1 -2
0 -4
6 -16
a. y-2 = -2(x - 1)
b. y-2 =2(x - 1)
c. y + 2 = -2(x + 1)
d. y + 2= 2( x + 1)

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15