Math Snap
PROBLEM
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A plant is already 41 centimeters tall, and it will grow one centimeter every month. The plant's height, (in centimeters), after months is given by the following function.
What is the plant's height after 14 months?
centimeters
STEP 1
What is this asking?
How tall will a plant be after 14 months if it starts at 41 centimeters and grows 1 centimeter each month?
Watch out!
Don't forget the plant starts at a certain height, it doesn't start from zero!
STEP 2
1. Define the function
2. Substitute and solve
STEP 3
We're given a handy-dandy function that tells us the plant's height after a certain number of months.
It's right there in the problem:
This tells us that the plant starts at a height of centimeters, and for every month () that passes, we add centimeter to its height.
STEP 4
We want to know the plant's height after months, so we'll substitute into our function.
Think of it like swapping out the for the number :
STEP 5
Now, we just need to do a little addition!
Adding gives us .
So:
SOLUTION
After 14 months, the plant will be centimeters tall!