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Function Evaluation Worksheet

Evaluate functions at given input values and understand function notation.

Grade 6 Math Functions OperationsFunction Evaluation
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Includes

Fill in the BlanksMultiple ChoiceTrue / FalseShort AnswerMatching

Standards

CCSS.MATH.CONTENT.6.EE.A.2.C

Topics

mathfunctionsevaluationgrade 6
7 sections · Free to use · Printable
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Function Evaluation

Name:

Date:

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Read each question carefully and evaluate the given functions. Show your work where indicated.

1. If f(x) = x + 5, then f(3) =  .

2. When evaluating a function, the input value replaces the   in the expression.

3. The output of a function is also known as the   variable.

4. If g(x) = 2x - 1, then g(0) =  .

5. Given the function h(y) = y - 7, what is h(10)?

a

3

b

7

c

10

d

17

6. If f(x) = x / 2, then f(8) = 16.

T

True

F

False

7. Evaluate the function k(z) = 3z + 4 for z = 5. Show your work.

Match each function evaluation with its correct result.

8. If p(a) = a + 1, find p(4).

 

A. 6

9. If q(b) = 3b, find q(2).

 

B. 5

10. If r(c) = c - 1, find r(7).

 

C. 6