Evaluating Functions

Evaluating Functions

Assessment

Flashcard

Mathematics

8th - 9th Grade

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is function notation?

Back

Function notation is a way to represent a function using symbols. For example, instead of writing 'y = 2x - 3', we write 'f(x) = 2x - 3'. This notation helps to clearly identify the output of the function for a given input.

2.

FLASHCARD QUESTION

Front

Evaluate f(-3) if f(x) = 2x - 3.

Back

f(-3) = 2(-3) - 3 = -6 - 3 = -9.

3.

FLASHCARD QUESTION

Front

What does it mean to evaluate a function?

Back

To evaluate a function means to find the output value of the function for a specific input value.

4.

FLASHCARD QUESTION

Front

If g(x) = 5 - 6x, what is g(5)?

Back

g(5) = 5 - 6(5) = 5 - 30 = -25.

5.

FLASHCARD QUESTION

Front

How do you find the value of x if f(x) = -2?

Back

You need to set the function equal to -2 and solve for x. For example, if f(x) = 2x - 3, set 2x - 3 = -2 and solve for x.

6.

FLASHCARD QUESTION

Front

What is the output of a function at a specific input?

Back

The output of a function at a specific input is the value that the function produces when that input is substituted into the function.

7.

FLASHCARD QUESTION

Front

Evaluate f(8) if the graph shows f(8) = 1.

Back

f(8) = 1.

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