Answer:
=1.5
Step-by-step explanation:
It's hard to read your picture
But if your equation is
(-3)^2 + (-2)^3
then its:
-3*-3 + -2*-2*-2 = -9 - 8 = -17
Quadratic equation is the equation in which only one variable is unknown. The highest power of the variable is 2.The value of the given functions are,


<h3>
Given information-</h3>
The given function is,


<h3>Quadratic equation</h3>
Quadratic equation is the equation in which only one variable is unknown. The highest power of the variable is 2.
1) The value of the function (h+k)(2),




2)The value of the function (h-k)(3),




3) The value of the function 3h(2)+2k(3)



Hence the value of the given functions are,


Learn more about the quadratic equation here;
brainly.com/question/2263981
Step-by-step explanation:
I have answered ur question
I think the answer its 1.8 percent because if you subtract 15-13.2 comes out to be 1.8.