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An exponential decay function represents a quantity that has a decreasing halving time.?
An exponential decay function describes a process where a quantity decreases at a rate proportional to its current value, leading to a consistent halving time. This means that after each fixed interval, the quantity reduces to half of its previous amount. For example, in radioactive decay, the halving time remains constant regardless of how much of the substance is left, illustrating the characteristic nature of exponential decay. Overall, it models many real-world phenomena where resources diminish over time.
Why is the distance time graph a straight line for?
A straight line on a distance - time graph represents a "constant velocity".
What type of acceleration does a trapezium on a velocity time graph represents?
A period of constant positive acceleration;a second period of zero acceleration; a third period of constant negative acceleration.
What is horizontal line in a speed graph?
Assuming it is a spped v/s time graph, a horizontal line represents motion at a constant speed.
Is direct variation a function?
A direct variation is a situation in which two quantities -- such as hours and pay, or distance and time -- increase or decrease at the same rate. The ratio between the quantities is constant; that is, as one quantity doubles, the other quantity also doubles. so yes it is. -add on- A direct variation is in the form y=ax where a is an constant.
