Set Notation

Question 1

0 w/ cross through

Answer 1

Empty set

Question 2

N

Answer 2

Natural numbers (all positive integers not 0)

Question 3

Z

Answer 3

All integers (negative, 0 and positives)

Question 4

R

Answer 4

Real numbers (decimals, 0 and negatives)

Question 5

xEA

Answer 5

x is a member of set A

Question 6

P(AUB) for

Answer 6

P(A) + P(B) - P(AnB)

Question 7

y=f(x-3)

Answer 7

translation (3 0)

Question 8

y=f(x) + 4

Answer 8

Translation (0 4)

Question 9

y=f(5x)

Answer 9

Stretch in x direction scale factor 1/5

Question 10

y=2f(x)

Answer 10

Stretch in y direction scale factor 2

Question 11

y=-f(x)

Answer 11

Reflects y=f(x) in x axis

Question 12

y=f(-x)

Answer 12

Reflects y=f(x) in y axis

Question 13

decreasing function if…

Answer 13

dy/dx < 0