Question

The value of Ziyana's Smart Phone, $V hundreds, loses value at a rate of $150 per year after she bought it for $900. a Write down the formula for the value of the Smart Phone $V after r years. b Draw the graph of V against x for 0 sxs 5. c Use the graph to find () the value of the Smart Phone after 30 months (ii) when the Smart Phone is worth $300. d When will Ziyana's Smart Phone be worth nothing?​

Answer 1

Step-by-step explanation:

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