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English 23 Public

Function Notation, Domain & Range, Translating Expressions/Equations

Study Slideshow

If f(x) = 2x-3, find f(-2).

-7

If f(x) = 9, what is x?

Let f(x) = 3x + 2. If f(x) = 11, find x.

What is f(-3)?

What is f(3)?

If f(x) = 2, what is x?

2, 4, 7

What is f(1)?

-1

If f(x) = 3, what is x?

You work at a job that pays $15 per hour. You can work no more than 15 hours per week because of school and sports. What is the domain, or hours worked?

The domain is 0 is less than or equal to x which is less than or equal to 15.

You work at a job that pays $15 per hour. You can work no more than 15 hours per week because of school and sports. What is the range, or pay for this situation?

The range is 0 is less than or equal to x which is less than or equal to 225.

Let f(x) = 3x - 7. Find the range if the domain is {-4, 0, 1}.

{-19, -7, -4}