Question

please help!

1. Solve (x + 1 < 5) ∩ (x - 4 > -3).


{all real numbers}
{x | 1 < x < 4}
{x | x < 4 or x > 1}

2.Evaluate.

-|-7 + 3|


-4
4
-10

Answer 1

can i guide u thru the qn?

Answer 2

could you help me on the second question??

Answer 3

which?

Answer 4

oh ok

Answer 5

i just tried to solve it and i got 4!

Answer 6

it is -4. by default, a modulus of x, is always positive

Answer 7

oh..... ):

Answer 8

because of the negative sign, it will be negative 4

Answer 9

for example, lx+kl=n, x will be plus minus n-k. hope that helped =)

Answer 10

do u still need help with the first qn?