Math 1310
Homework 14
Page 1 of 3
M 1310 College Algebra
Textbook Section 3.7
Homework 14
Record your answers to these questions by going to the EMCF link on the top menu bar
in your CASA account and selecting “Homework 14” on the EMCF assignment menu.
Record your answers in the multiple choice form for Homework 14 BEFORE the
assignment is closed. No late homework is accepted.
Question 1: Which of the following functions is one-to-one?
a).
Domain
g
Range
a
-1
b
c
6
b).
Domain
f
Range
a
-1
b
3
c
5
c). None of the above
Question 2; Suppose f(2) = 4, f(3) = 2, f(4) = -1, f(5) = 1, f(6) = 4. Is f(x) a one-to-one
function?
Question 3:
Which of the following functions are one-to-one? (Hint: use the Horizontal
Line Test)

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