Select the term that best represents each formula. a. \( h(t)=\frac{3}{2}(2)^{t} \) b. \( f(x)=0.75^{x} \) Justify your response for (a) and (b). (b)
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The Deep Dive
The formula \( h(t)=\frac{3}{2}(2)^{t} \) represents exponential growth because the base of the exponent, 2, is greater than 1. This indicates that as \( t \) increases, \( h(t) \) will increase rapidly, growing at a multiplicative rate of 2. The coefficient \( \frac{3}{2} \) simply scales the output but does not affect the growth nature of the function. On the other hand, the formula \( f(x)=0.75^{x} \) represents exponential decay. Here, the base of the exponent, 0.75, is less than 1. This means that as \( x \) increases, \( f(x) \) will decrease, reflecting a situation where quantity is reducing over time, such as radioactive decay or depreciation. The output of the function shrinks exponentially, making it a prime example of decay in action!