Answer is
2. 15
3.- 18
4. 92
I believe this is how you solve it
Bear in mind that multiplying anything, and anything whatsoever by 1, has a product of the anything itself.
so, let's multiply 2/3 by 1 then and check about,
-8 because when you add a negative number your basically subtracting its absolute value.
The answer is B f(x)= -3(x+1)^2+2