3 years ago

What are the domain and range of the function f(x)= 3^x+5

Mathematics

1 answer:

rewona [7]3 years ago

5 0

Answer:

Step-by-step explanation:

Domain:all real values

Range:[5,∞)

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Step-by-step explanation:

We are given:

Ages of 5 people in a room are:

17, 16, 15, 17, 22

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We need to find the age of person who entered the room.

The formula to calculate mean is: $Mean=\frac{Sum\:of\:all\:data\:values}{Number\:of\:data\:Values}$

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Let age of person whose age is unknown= x

Now finding x using mean formula

$Mean=\frac{Sum\:of\:all\:data\:values}{Number\:of\:data\:Values}\\17=\frac{17+16+ 15+ 17+ 22+x}{6}\\17=\frac{87+x}{6}\\17*6=87+x\\102=87+x\\x=102-87\\x=15$

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