1001 Algebra Problems.PDF

• ELEMENTARY FUNCTIONS–

For questions 689–693, use the following diagrams:

689.Which of the coordinate planes shows the

graph of an equation that is not a function?

a.A

b.B

c.C

d.D

e.Aand D

y

x

E

y=(x – 3)^2 + 1

y

x

D

y=x

1

y

x

C

y=√x

y

x

B

y=|x|–3

y

x

A

x^2 + y^2 = 4

Set 44 (Answers begin on page 233)

This problem set focuses on compositions of functions, the simplification involved therein, and the general prin-
ciples of the graph of a function.