Evaluate Functions

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

Tags

TEKS.MATH.A.12B

How do you read f(x)?

• f x

• f of x

• f parenthesis x

• f with an x inside parenthesis

Tags

TEKS.MATH.2A.2A

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Tags

CCSS.HSF.IF.A.1

What are the Order of Operations?

• substitution, parentheses, addition/subtraction, multiplication/division

• substitution, parentheses, multiplication/division, subtraction /addition

• substitution, multiplication/ division, parentheses, addition/subtraction

Tags

CCSS.7.NS.A.3

What words can you use to help you solve simple expressions and equations?

• Please Excuse My Uncle Henry

• Sorry, Please Excuse My Dear Aunt Sally

• Does McDonalds Sell Cheese Burgers

Tags

CCSS.6.EE.A.2C

If f(x) = 2x+1, what would the function look like once you substitute in a 1 to find f(1)?

• f(x) = 21+1

• f(1) = 2 (1) + 1

• f(1) = 2x (1) + 1

Tags

CCSS.HSF.IF.A.2

Which shows the correct substitution for the problem: "Evaluate f(x) = x+5 for f(6)"

• 6 = x + 5

• f(6) = (6) + 5

• f(x) = 6 + 5

Tags

CCSS.HSF.IF.A.2

If f(x) = 2x + 1, what would be your first step to find f(1)?

• Plug a 1 in for all the x's

• Set the function equal to 1

• Only plug a 1 into the left side

• Only plug a 1 into the right side

Tags

CCSS.HSF.IF.A.2

What would be my first step in solving this problem?

3 + 4(6) - 4

• addition

• multiplication

• subtraction

• parentheses

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What would be the 1st step in solving this problem:

(4 - 2) + 9(7)

• multiplication

• subtraction

• parenthesis

• dividing

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2