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Serjik [45]
3 years ago
13

Em um experimento foram colocados, em um mesmo recipiente, dois tipos de microrganismos, A

Mathematics
1 answer:
IrinaK [193]3 years ago
3 0

Answer:

(1)

type-A:

f(0)=1

type-B:

g(0)=9

(2)

t=0.746min

Step-by-step explanation:

We are given

type-A:

f(t)=t+1

type-B:

g(t)=9^{1-t}

(1)

At initial means t=0

For type-A:

we can plug t=0

f(0)=0+1

f(0)=1

For type-B:

we can plug t=0

g(0)=9^{1-0}

g(0)=9

(2)

we can set f(t)=g(t)

and then we can solve for t

t+1=9^{1-t}

we can draw graph of f(t) and g(t)

and then we can find intersection point

so, we got

t=0.746min


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