1A Unit 3 pt 1 D&R and Graph ineq

Leslie's car travels about 25 miles per gallon of gas. Her car needs 14 gallons of gas to be full. What is a reasonable domain?

• $x\ge25$

• $0\le y\le14$

• $x\le14$

• $0\le x\le14$

What is the Domain?

• -3 ≤ x < 5

• -3 ≤ y < 5

• -8 ≤ x < 5

• -8 ≤ y < 5

I throw a ball 10 feet in the air.  If the domain is the number of seconds, what is a possible range for the function?

• All real numbers between 0 and 10

• Integers between 0 and 10

• Rational Numbers between 0 and 10

• Whole Numbers between 0 and 10

• F

• G

• H

• J

• F

• G

• H

• J

When you graph an inequality, you use a closed dot when you use which symbols?

• ≤, ≥ 

• <, >

• ≤, <

• ≥, >

When graphing an inequality, you use an open dot when you use which symbol?

• <, >

• ≤, ≥ 

• ≤, <

• ≥, >

Match the graph with its inequality.

• b > –2

• b < –2

• b ≥ –2

• b ≤ –2

Would you use a closed or open circle to graph x < 3?

• Closed

• Open

What inequality does the number line graph represent?

• x≥ 3

• x > 3

• x < -3

• x ≤ 3