Evaluating Functions

Function Notation

100

Evaluate f(x) = x + 5, when f(10)

x = 15

200

Evaluate f(x) = 3x - 2, when f(5)

x = 13

300

Evaluate f(x) = 2x - 6, when f(-10)

x = -26

400

Evaluate g(x) = x + 5, when g(2)

x = 7

500

Evaluate g(x) = x - 10, when g(-5)

x = -15

Function Fun

100

f(x) = x + 4  Evaluate f(1)

x = 5

200

f(x) = 2x - 12 

Evaluate f(-2)

x = -16

300

f(x) = x + 4 

 Evaluate f(-2)

x = -2

400

f(x) = 2x + 3 Evaluate f(-3)

x = -3

500

f(x) = 2x - 12  Evaluate f(3)

x = -6

Solving Functions

100

f(x) = 2x + 1 Evaluate when x = 11

23

200

f(x) = -4x - 2 Evaluate when x = -2

6

300

f(x) = 2x + 1 Evaluate when x = 5

11

400

g(x) = 3x - 10 Evaluate when x = -2

-16

500

g(x) = 3x + 5 Evaluate when x = 10

35