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Verizon [17]
2 years ago
14

The growth of bacteria in a dish is modeled by the function f(t)=2 to the power of t/3. For which value of t is f(t)=32?

Mathematics
1 answer:
Juliette [100K]2 years ago
6 0

Answer:

\boxed{t=15}

Step-by-step explanation:

Function: f(t)=2^{t/3}

You need to replace f(t) for 32 and isolate "t", like this:

f(t)=2^{t/3}\\ 32=2^{t/3}\\ 2^5=2^{t/3}

Since both bases are 2, we only take the powers:

5=\dfrac{t}{3}\;\Longrightarrow 5\cdot3=t=15

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