Unit 6 Hw#4: Evaluating Functions

Front

What is the value of f(6) for the function f(x)=3x-8?

Back

f(6) = 10

Front

Given f(x)= 2x^2 + 5x - 17, find f(-1).

Back

f(-1) = -20

Front

Given g(x)=x^2-4x+11, find g(-7).

Back

g(-7) = 88

Front

What are all of the x values in a function called?

Back

Inputs

Front

What is the domain of a function?

Back

The set of all x-values.

Front

What is the range of a function?

Back

The set of all y-values.

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What does it mean for a function to be quadratic?

Back

It means the function can be expressed in the form f(x) = ax^2 + bx + c.

Front

What is the vertex of a quadratic function?

Back

The highest or lowest point of the parabola represented by the function.

Front

How do you find the x-intercepts of a function?

Back

Set f(x) = 0 and solve for x.