Question

Can someone help me pls

Answer 1

Explanation:

`(1)/(2)b^(2) - 6`

`(1)/(2)(4)^(2) - 6`

`(1)/(2) * 16 - 6`

`8 - 6`

`2`

Answer 2

2

Explanation:

Plug in the value:

1/2 b² – 6

1/2 (4)² – 6

Use order of operations (PEMDAS):

There are no parentheses:

Do exponent:

1/2 (16) – 6

Then multiplication and division in the order that they come in:

8 – 6

Then addition and subtraction in the order that they come in:

2