How can you use rates of change to solve a real-life problem like the excessive emission of CO2 in the air? Answer using correct mathematical terms.

rate of change can be used in a real life problem such as the rate that a pool fills up with water.

i pretty sure it is

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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