- #1

nycmathguy

- Homework Statement:
- Write a linear model representing the situation at hand.

- Relevant Equations:
- y = mx + b

The average weight of a male child’s

brain is 970 grams at age 1 and 1270 grams at age 3. (Source: American Neurological Association)

Assuming that the relationship between brain weight y and age t is linear, write a linear model for the data.

I am going to start by saying y = mx + b.

Let x = t

We now have y = mt + b.

Let m = slope

m = (1290 - 970)/(3 - 1)

m = 300/2

m = 150

I say the linear model is y = 150t + (1270/970).

In short: y = 150t + 300.

Correct?

brain is 970 grams at age 1 and 1270 grams at age 3. (Source: American Neurological Association)

Assuming that the relationship between brain weight y and age t is linear, write a linear model for the data.

I am going to start by saying y = mx + b.

Let x = t

We now have y = mt + b.

Let m = slope

m = (1290 - 970)/(3 - 1)

m = 300/2

m = 150

I say the linear model is y = 150t + (1270/970).

In short: y = 150t + 300.

Correct?