12/20 Review

Front

What is a function in mathematics?

Back

A function is a relation that assigns exactly one output for each input. It can be represented as f(x), where x is the input.

Front

What does it mean for a mapping to be a function?

Back

A mapping is a function if every input is associated with exactly one output.

Front

How do you calculate the percentage of a group?

Back

Percentage = (Part/Whole) x 100. For example, if 45 out of 100 students have brown hair, the percentage is (45/100) x 100 = 45%.

Front

What is a causal relationship?

Back

A causal relationship means that one variable directly affects another. For example, increasing study time can lead to better grades.

Front

What is the best choice in a multiple-choice question?

Back

The best choice is the option that most accurately answers the question based on the provided information.

Front

How do you determine the best option among multiple choices?

Back

Evaluate each option based on its relevance and correctness in relation to the question asked.

Front

What is the significance of understanding functions in mathematics?

Back

Understanding functions is crucial as they are foundational to algebra, calculus, and many real-world applications.

Front

What is the formula for calculating a percentage?

Back

Percentage = (Part/Whole) x 100.

Front

What does it mean if a function is undefined?

Back

A function is undefined when there is no valid output for a given input, often due to division by zero or other restrictions.

Front

What is the difference between a function and a relation?

Back

A relation can have multiple outputs for a single input, while a function must have only one output for each input.