Algebra Practice STAAR

What is the domain of the graph?

• numbers between and including 1 and 4
• numbers between and including 1 and 5
• All positive numbers
• All positive numbers greater than 1

The function f(x)=3.25x+2 models the the total cost to bowl x number of games. What is the most appropriate domain of the function?

• All integers
• All rational numbers
• All non-negative integers
• All non-negative rational numbers

The function f(x)=0.49x models the cost to purchase x pounds of apples from the grocery store.  What is the most appropriate domain for the function?

• All integers
• All rational numbers
• All non-negative integers
• All non-negative rational numbers

The function f(x)=1.75x+2 models the total cost to purchase an ice cream sundae with x amount of toppings. Austin only has $8 to spend on his ice cream sundae. What is the most appropriate domain for this situation?

• x ≤ 8
• 0 ≤ x ≤ 8
• x ≤ 4
• 0 ≤ x ≤ 4

What is the domain of the graph?

• y≥1
• x ≥ 1
• All real numbers
• none of these

What is the range of the graph?

• y≥1
• x≥1
• All real numbers
• none of these

What is the range?

• x = 2
• −∞ < x < ∞
• y = 2
• none of these

What is the domain of the graph?

• -7 ≤ x < 5
• -3 ≤ x < 1
• -3 ≤ y < 1
• -7 ≤ y < 5

What is the range of the graph?

• -7 ≤ x < 5
• -3 ≤ x < 1
• -3 ≤ y < 1
• -7 ≤ y < 5

What is the domain?

• -4 < x ≤ 5
• -4 ≤ x < 5
• -3 < y < 3
• -3 ≤ y ≤ 3