Real World Domain & Range

What is the reasonable domain for the linear function?

• {0, 1, 2, 3, 4, 5, 6}

• {175, 225, 275, 325, 375, 425}

What is the reasonable range for the linear function?

• {0, 1, 2, 3, 4, 5, 6}

• {175, 225, 275, 325, 375, 425}

If it takes Elaine a maximum of 3 hours to fix Rogers computer, what is a reasonable domain?

If it takes Elaine a maximum of 3 hours to fix Rogers computer, what is a reasonable range?

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

RANGE is found by reading the ends of a graph from ___ to ___.

• Right to left

• Left to right

• Bottom to top

• Top to bottom

DOMAIN is found by reading the ends of a graph from ___ to ___.

• Right to left

• Left to right

• Bottom to top

• Top to bottom

The LNHS Lions stadium seats about 2,000 people. The tickets sell for $6 each. The function f(x) = 6x represents the situation where x is the number of people in attendance and f(x) is the amount of money LNHS makes as revenue.

What is the range of the situation?

• 0 < f(x) < 6

• 0 < f(x) < 2,000

• 0 < f(x) < 12,000

• 2,000 < f(x) < 12,000

George is driving from Orlando to Jacksonville. The distance between the two cities is approximately 250 miles. His average speed is 55 miles per hour. The function that represents how many miles George has left on his trip after z hours is f(z) = 250 – 55z

What is the input?

• Cars

• Miles left to travel

• Hours

• Roads