NC Math 3 EOC Review

Front

What is the definition of an absolute value function?

Back

Front

How do you express the condition that a value x is within 2 units of 30 using absolute value?

Back

Front

Back

This inequality represents that the value x is at least 2 units away from 30, meaning x is either less than 28 or greater than 32.

Front

What is the significance of the interval notation [2, ∞)?

Back

The interval [2, ∞) indicates that the function is increasing starting from 2 and continues to increase without bound.

Front

How do you determine the intervals where a function is increasing?

Back

To determine where a function is increasing, analyze the derivative of the function; if the derivative is positive over an interval, the function is increasing on that interval.

Front

What is the meaning of the notation [0, 2]?

Back

The notation [0, 2] represents a closed interval that includes all numbers from 0 to 2, including the endpoints 0 and 2.

Front

What does the notation (-∞, -1.5] signify?

Back

The notation (-∞, -1.5] signifies all real numbers less than or equal to -1.5, extending infinitely to the left.

Front

How can you express the condition that a tire's pressure must be within 2 psi of 30 psi?

Back

Front

Back

The solution to the inequality is the interval [28, 32], meaning the tire pressure must be between 28 psi and 32 psi.

Front

Back