Question

Solve (x -1)(x + 3) less than or equal to 0.
(a) x is an element of (-3, 1).
(b) x is an element of [-3, 1].
(c) x is an element of (-infinity;-3).
(d) x is an element of(1,infinity).

Answer 1

I need someone to solve this question as well please \[\left| x-2 \right|\le4\]
\[(a) x \epsilon [ -6, -2) \]
\[(b)x \epsilon [ -2,6)\]
\[(c)x \epsilon [ 2,6]\]
\[(d)x \epsilon [ -6,-2]\]

Answer 2

Hello. Do you still need help with this question?

Answer 3

yes please! D':

Answer 4

2 can be either + or -
so
x can be (4-2)
or (4+2)

Answer 5

not so sure

Answer 6

I really need someone to help me with those two questions 3':