Evaluating Functions from Graphs

What does it mean to evaluate a function?

• To solve the function for all values of x

• To find the input given an output value

• To find the output given an input value

• To draw the graph of the function

What is the output of H(x) when x = 2?

• 1

• 2

• 3

• 4

What is the output of H(x) when x = 4?

• 1

• 2

• 4

• 3

What is the output of H(x) when x = 8?

• 3

• 4

• 2

• 1

What is the output of H(x) when x = 1?

• 2

• 3

• 1

• 4

What is the output of the new function when x = 8?

• 4

• 1

• 2

• 3

What is the output of the new function when x = 1?

• -1

• -2

• 0

• -3

What is the output of the new function when x = 2?

• 0

• -3

• -1

• -2

What is the result of the expression -1 * F(4) + 3 * G(1)?

• 7

• 5

• 8

• 6

¿Cuál es el valor de la función cuando x = 4 en la explicación en español?

• 1

• 2

• 4

• 3