Answer: 9.25
Explanation:
Given equation :

To find the value of y at x= 0.3, we need to first substitute the value of x= 0.3 in the given equation.
Now, Substitute x= 0.3 in given equation, we get

Subtract 1.5 from both sides .

Divide both sides by 2 .

Hence, the value of y= 9.25