Question

Absolute Value Equations and Inequalities?

Please help!

2.

Which conjunction or disjunction is equivalent to the open sentence 4 – 2|n + 6| ≥ 2?

A.
n + 6 ≤ –1 and n + 6 ≥ 1

B.
n > –5 or n < –7

C.
n + 6 ≤ 1 and n + 6 ≥ –1

D.
–5 < n or n < –7

3.

Solve the equation. |k + 9| = 4

A.
{–13, –5}

B.
{–5, 5}

C.
{–5, 13}

D.
{all real numbers greater than or equal to –13 and less than or equal to –5}

4.

Solve the inequality. 3 + |t + 4| < 10

A.
t > 3 or t < –11

B.
–11 < t < 3

C.
–3 < t < 11

D.
t < 3 and t > 11