Function Notation

j(x) = 2x + 3
j(-2) = ______

• -7

• 1

• 7

• -1

j(x) = 2x + 3
j(-3) = ______

• -9

• -3

• 9

• 3

b(x) = 2x - 3
b(-2) = ______

• -7

• -1

• 7

• 1

b(x) = 2x - 3
b(-1) = ______

• -1

• 5

• 1

• -5

b(x) = 2x - 3
b(-3) = ______

• -9

• 3

• 9

• -3

If f(x) = 7, what is the value of x?

f(x) = 3x+1

• 2

• 3

• 22

If the input is -3, determine the corresponding output.

• f(x) = -2

• y = -2

• f(x) = 10

• y =10

Find f(x) if x=-2.

• f(x)=9

• f(x)=-15

• f(x)=-9

• f(x)=21

f(5) = ?

• 25

• 125

• 5

• 10

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5

• x = 5

• x = -50

• x = 30