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The length [tex]$L$[/tex] of a Brazilian snake [tex]$m$[/tex] months after birth is given by [tex]L(m) = 3(m - 8) - 5[/tex] inches.

(a) Use function notation to give the equation that needs to be solved to find how old the snake is when it is 3 feet 6 inches long.

Given: [tex]L(m) = 42[/tex]

(b) How old is the snake when it is 3 feet 6 inches long? (Round your answer to two decimal places.)

[tex] \_\_\_\_\_\_ [/tex] months

Answer :

Sure, let's solve the problem step-by-step.

### Part (a)
We are given the length of a Brazilian snake as a function of time [tex]\( m \)[/tex] months after birth, which is [tex]\( L(m) = 3(m - 8) - 5 \)[/tex] inches.

We need to find out how old the snake is when it is 3 feet 6 inches long.

First, we need to convert 3 feet 6 inches to just inches because our function for [tex]\( L(m) \)[/tex] is in inches.

There are 12 inches in a foot, so:
[tex]\[ 3 \text{ feet} = 3 \times 12 = 36 \text{ inches} \][/tex]
[tex]\[ 3 \text{ feet 6 inches} = 36 \text{ inches} + 6 \text{ inches} = 42 \text{ inches} \][/tex]

Next, we need to set [tex]\( L(m) \)[/tex] equal to 42 inches and solve for [tex]\( m \)[/tex]:
[tex]\[ L(m) = 42 \][/tex]
[tex]\[ 3(m - 8) - 5 = 42 \][/tex]

So the equation we need to solve is:
[tex]\[ 3(m - 8) - 5 = 42 \][/tex]

### Part (b)
Now let's solve the equation to find [tex]\( m \)[/tex]:
[tex]\[ 3(m - 8) - 5 = 42 \][/tex]

First, we simplify the equation step-by-step:

1. Distribute the 3:
[tex]\[ 3m - 24 - 5 = 42 \][/tex]

2. Combine the constants on the left side:
[tex]\[ 3m - 29 = 42 \][/tex]

3. Add 29 to both sides:
[tex]\[ 3m = 71 \][/tex]

4. Divide both sides by 3:
[tex]\[ m = \frac{71}{3} \approx 23.67 \][/tex]

So, the snake is approximately 23.67 months old when it is 3 feet 6 inches long.

In summary:
- The equation to solve is [tex]\( 3(m - 8) - 5 = 42 \)[/tex].
- The snake is approximately 23.67 months old when it is 42 inches (3 feet 6 inches) long.

Thanks for taking the time to read The length tex L tex of a Brazilian snake tex m tex months after birth is given by tex L m 3 m 8 5. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

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