Suppose That X₁ equals 4 $\mathrm{d}_{1}^{-}=4, \mathrm{~d}_{1}^{+}=0$ B) $\mathrm{d}_{1}^{-}=0, \mathrm{~d}_{1}^{+}=4$ C) $\mathrm{d}_{1}^{-}=4, \mathrm{~d}_{1}^{+}=4$

Multiple Choice

Suppose that X₁ equals 4.What are the values for d₁⁺ and d₁^? in the following constraint?
X₁ + d₁^?? d₁⁺ = 8

A) $\mathrm{d}_{1}^{-}=4, \mathrm{~d}_{1}^{+}=0$
B) $\mathrm{d}_{1}^{-}=0, \mathrm{~d}_{1}^{+}=4$
C) $\mathrm{d}_{1}^{-}=4, \mathrm{~d}_{1}^{+}=4$
D) $\mathrm{d}_{1}^{-}=8, \mathrm{~d}_{1}^{+}=0$