Function Notation

Function Notation 1

100

If f(x) = -3x - 2, find f(3).

f(3) = -11

200

If f(x) = -3x - 2, find f(-7)

f(-7) = 19

300

If

f(x)=x^2-5x+7

, find h(2)

h(2) = 1

400

If

f(x)=x^2-5x+7

, find h(-5)

h(-5) = 57

500

If h(x) = |1 - 7x|, find h(1)

h(1) = 6

f(x) expressions Level 1

100

If f(x) = -3x -2, determine the value of the expression f(-2)+9

13

200

If g(x) = 1-(3/4)x, find the value of (1/3) h(-8).

37

300

If h(x) = |1 - 7x|, determine the value of 23-h(9)

-39

400

If f(x) = 8-3x, determine the value of f(4)+9

5

500

If f(x) = 8-3x, determine the value of f(2)+5

7

Expressions in F(x)

100

If f(x) = 8-5x, determine the value of f(4c)

f(4c) = -20c+8

200

If f(x) = 8 - 5x, determine the value of f(2-k).

5x-2

300

f(x) = 8- 5k, determine the value of f(4p + 3)

-20p - 7

400

If f(x) = 4x + 11, determine the value of f(c+7)

4x+39

500

If h(x) = -9 - x, determine the value of h(2k-5)

-2k-4

F(x) Expressions Level II

100

f(x) = -x^2+8x-11

Determine f(-4) - f(1)

-55

200

How do you write: "h of 5 is equal to eleven"?

h(5) = 11

300

g(x)=14-2/3x

f(x)=-x^2+8x-11

Determine: 

1/2g(-6)+f(-2)

-22

400

g(x) = 14 - 2/3x

h(x) = -x-7

Determine g(9) + h(-14)

15

500

h(x)=-x-7

f(x)=-x^2+8x-11

Determine: 

h(8)-2*f(3)

-23

Working Backwards

100

Given f(x) = 2x + 9, if f(x) = 15, find x

x= 3

200

Given h(x) = -x -14, if h(x) = -2, find x

x = -12

300

Given 

p(x)=(x+7)/3

If p(x) = 13, find x

x = 32

400

Given g(x) = (-3/2)x - 9, if g(x) = -48 find x. 

x = -23

500

What is the third planet from the sun? 

Earth!