Topics
2. Linear functions
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United States of America
Grades 9-12

2.01 Evaluating functions

Lesson
Practice
Adaptive
Worksheet

Interactive practice questions

Consider the function $y=2x-3$y=2x−3.

a

What is the independent variable of the function?

b

What is the dependent variable of the function?

Medium
1min

Consider the function $f\left(x\right)=8x+6$f(x)=8x+6.

Medium
< 1min

Consider the function $f\left(x\right)=4x^2+5x+5$f(x)=4x2+5x+5.

Medium
2min

If $f\left(x\right)=3x-1$f(x)=3x−1,

Medium
< 1min
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Outcomes

F.IF.A.1

Understand that a function from one set (called the domain) to another set (called the range) assigns to each element of the domain exactly one element of the range. If f is a function and x is an element of its domain, then f(x) denotes the output of f corresponding to the input x. The graph of f is the graph of the equation y = f(x).

F.IF.A.2

Use function notation, evaluate functions for inputs in their domains, and interpret statements that use function notation in terms of a context.

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