Which number line represents the solutions to 1-2x] = 4? + +
+
-10 -8 -6 -4 -2 0 2 4
+ +

8 10
6
+
-10 -8 -6 -4 -2 0 2 4 6
+
8
10
+
+
-10 -8 -6 -4 -2 0 2 4 6 8
=>
10
A+
+ + + + + +
-10 -8 -6 -4 -2 0 2 4 6 8 10

Really need on these. i have no idea what to do

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.