SubArea: Quadratic functionsLevel: CProject ID: 2010012205Source Problem: 1003162305Accepted: 0Clonable: 1Easy: 0Find all the values of the real parameter p such that f(x)=−2(x+3)2+p is nonpositive for all x∈R.p∈(−∞;0]p∈[0;∞)p∈(−∞;−3]p∈[−3;∞)