16/17 Feb Evaluating Functions Asynchronous Work

f(x) = 4x + 5

f(4) = ?

g(x) = 5 − 6x

g(−5) = ?

Consider the function: f(x) = 2x + 2

For which value of x does f(x) = 2?

(Hint: Determine which value can be substituted in for x to get a solution of 2.)

• 6

• −8

• 10

• 0

Consider the function: f(x) = x + 3

For which value of x does f(x) = −5?

(Hint: Find which x can be substituted into the function that gives an answer of -5.)

• −2

• −1

• −8

• 7

Evaluate f(2).

• f(2) = 5

• f(2) = 12

• f(2) = 10

• f(2) = 0.5

Evaluate f(3).

• f(3) = 0

• f(3) = -2

• f(3) = 3

• f(3) = 4

Evaluate for f(2)

• -3
• 0
• 4
• 7

• 0

• 1

• 2

• 3

• None of These

• 0

• -1

• 1

• 3

• -3

• 1

• 4

• 5

• 6

• 8