Question

Evaluate x^2+3.5when x=1/2

Answer 1

3.75

Explanation:

`\text{Put the value of}\ x=(1)/(2)=0.5\ \text{to the expression}\ x^2+3.5:\\\\0.5^2+3.5=0.25+3.5=3.75`

Answer 2

3.75.

Explanation:

Substitute x = 1/2 into x^2 + 3.5:

(1/2)^2 + 3.5

= 1/4 + 3.5

= 3.75.