Evaluating Functions and Functions in Context

Evaluating Functions and Functions in Context

8th Grade

20 Qs

quiz-placeholder

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Evaluating Functions and Functions in Context

Evaluating Functions and Functions in Context

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Barbara White

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How would you write y = 2x - 3 in function notation?

y = 2x-3

f = 2x - 3

f(x) = 2x-3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How do you read f(x)?

f x

f of x

f parenthesis x

f with an x inside parenthesis

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

Let x = 2

Let y = 2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If I know that f(2) = 4, what is another way I can write my answer?

2,4

(2, 4)

That is the only way to write it.

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If f(x) = -3x - 8, find f(-1).

f(-1) = 5

f(-1) = -5

f(-1) = -12

f(-1) = -10

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