Question

Can someone help me pls

Answer 1

Answer:

Step-by-step explanation:

$\frac{1}{2}b^{2} - 6$

$\frac{1}{2}(4)^{2} - 6$

$\frac{1}{2} * 16 - 6$

$8 - 6$

$2$

Answer 2

Answer:

2

Step-by-step 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