Expressions
Function Notation
Function Application
100
Name the coefficients:
-3x2 + 2x - 4y -9
-3, 2, -4
100
Evaluate f(-1):
f(-1) = -4
100
Let f(h) be the amount of likes on your Instagram post after posting h hours ago. Explain the meaning of each of the following statements:
f(5) = 300
After 5 hours, you have 300 likes.
200
Name the Constant(s):
-3x2 + 2x - 4y -9
-9
200
Evaluate f(2):
f(2) = 5
200
Let f(h) be the amount of likes on your Instagram post after posting h hours ago. Explain the meaning of each of the following statements:
f(h) = L
After h hours, you have L likes.
300
How many terms are below?
-3x2 + 2x - 4y -9
4
300
Evaluate f(0):
f(0) = 3
300
Let f(h) be the amount of likes on your Instagram post after posting h hours ago. Explain the meaning of each of the following statements:
f(7) = L
After 7 hours, you have L likes.
400
At the store, hamburger is $4 per pound and beans are $2 per can. Here is an expression to find the total cost: 4h + 2b.
What does h represent?
What does b represent?
h - total pounds of hamburger purchased
b - total cans of beans purchased
400
Is the following graph a function or a non-function? Why?
Yes, the function passes the vertical line test.
400
Your water bottle has 30oz of water in it. Every hour you drink 8.5oz.
The algebraic expression f(h) = 30 - 8.5h represents the total number of remaining in your water bottle.
Would it make sense to evaluate the following? Why or why not?
f(3)
f(4)
f(3) - Yes. If you drink water for 3 hours, you will have 4.5oz left.
f(4) - No. If you drink water for 4 hours, you will have -4oz left. You would need a refill!
500
The expression 100x + 1000 represents the money in your math teacher's savings account after x months.
What does 100x represent?
What does the 1000 represent?
100x - saving $100 every month
1000 - initial amount of money in the account
500
Provide a value to complete the table to make a function AND a value that would make the table a non-function.
Function: Any value that other than 55, 66, and 78.
Non-Function: 55, 66, or 78.
500
Your water bottle has 30oz of water in it. Every hour you drink 5.5oz.
The algebraic expression f(h) = 30 - 5.5h represents the total number of remaining in your water bottle.
Provide 3 possible domain values for the following situation, then calculate how much oz you have left for each of your domain values.
0 hour - 30oz
1 hour - 24.5oz
2 hours - 19oz
3 hours - 13.5oz
4 hours - 8oz