Question

On Monday, stock XYZ opened at $13.54. On Friday, it closed at $12.92. What is the rate of change of stock XYZ for this week?

a) –4.8%
b) –4.6%
c) 4.8%
d) 4.6%

Answer 1

The rate of change of stock XYZ for the week is approximately – 4.6%, which corresponds to option b).The percentage change is calculated using the formula:

Step-by-step explanation:

To find the rate of change of stock XYZ for the week, we can use the formula:Rate of Change = (New Value - Original Value) / Original Value × 100%Using the provided stock values, we have:Rate of Change = ($12.92 - $13.54) / $13.54 × 100% = -0.62 / 13.54 × 100% ≈ -4.58%The closest answer to this calculation is option b) – 4.6%.To find the rate of change of stock XYZ for the week, we need to calculate the percentage change in the stock price from Monday to Friday. The percentage change is calculated using the formula:

Percentage Change = ((Final Value - Initial Value) / Initial Value) * 100For stock XYZ, the initial value is $13.54 and the final value is $12.92Using the formula:Percentage Change = ((12.92 - 13.54) / 13.54) * 100 = -4.6%Therefore, the rate of change of stock XYZ for this week is -4.6%, which matches option b). b) – 4.6%.To find the rate of change of stock XYZ for the week, we need to calculate the percentage change in the stock price from Monday to Friday. The percentage change is calculated using the formula: