Evaluating Functions from Their Formulas

What is the definition of the function f(x)?

• f(x) = 49 + x^2

• f(x) = x^2 - 49

• f(x) = 49 - x^2

• f(x) = x + 49

What is the first step when dealing with a function?

• Find the output directly

• Square the input

• Take the input and put it into the function

• Subtract the input from 49

What operation is performed on the input in the function box?

• Multiply the input by 49

• Add the input to 49

• Square the input and subtract it from 49

• Subtract 49 from the input

What is the value of 5 squared?

• 30

• 25

• 20

• 10

What is the final value of f(5)?

• 0

• 24

• 25

• 49