CYU/HW 10: Evaluating Functions

Front

What does R(1.5) = 3 represent in the context of rainfall?

Back

After 1.5 hours, 3 cm of rain has fallen.

Front

What is the value of f(5) if f(x) = x^3?

Back

125

Front

How do you find x if h(x) = 23?

Back

You need to solve the equation h(x) = 23 for x.

Front

What is f(0) if f(x) = 2x + 10?

Back

10

Front

What is f(2) if f(x) = 2x + 10?

Back

14

Front

Define a function in mathematics.

Back

A function is a relation that assigns exactly one output for each input.

Front

What is the domain of a function?

Back

The domain is the set of all possible input values (x-values) for the function.

Front

What is the range of a function?

Back

The range is the set of all possible output values (y-values) for the function.

Front

What does it mean for a function to be increasing?

Back

A function is increasing if, as x increases, f(x) also increases.

Front

What does it mean for a function to be decreasing?

Back

A function is decreasing if, as x increases, f(x) decreases.