Question

Evaluate 5 |3x- 11| + 2 when x=
5

Answer 1

22

Explanation:

the absolute value function always give a positive value , that is

| - a | = | a | = a

given

5 | 3x - 11 | + 2 ← substitute x = 5

= 5 | 3(5) - 11 | + 2

= 5 | 15 - 11 | + 2

= 5 | 4 | + 2

= 5 × 4 + 2

= 20 + 2

= 22