v1 Algebra, STD2 A4 2021 HSC 10 MC Which of the following best represents the graph of \(y = 5 (0.4)^{x}\) ? Show Answers Only \(D\) Show Worked Solution \(\text{By elimination:}\)♦ Mean mark 41%. \(\text{When}\ x = 0, \ y = 5 \times (0.4)^0 = 5\) \(\rightarrow\ \text{Eliminate B and C} \) \(\text{As}\ \ x \rightarrow \infty, \ y \rightarrow 0 \) \(\rightarrow\ \text{Eliminate A} \) \(\Rightarrow D\)
