MOD 3 CASE: Please answer all questions in attachment and show work

 

 

MAT 150 Case 3 Assignment and Template
I affirm that this assignment contains all original work. I am familiar with Trident University’s
Academic Integrity policy located in the Trident Policy Handbook. I affirm that I have not engaged
in direct duplication, copy/pasting, sharing assignments, collaboration with others, contract
cheating and/or obtaining answers online, paraphrasing, or submitting/facilitating the submission
of prior work. Work found to be unoriginal and in violation of this policy is subject to
consequences such as a failing grade on the assignment, a failing grade in the course, and/or
elevated academic sanctions. My name below affirms that the assignment was completed
individually, and all work presented is my own. Name:
Date:
Instructor:
Use this template to insert your answers for the assignment. Please use one of the four
methods for showing your work (EE, Math Type, ALT keys, or neatly typed). Remember
that your work should be clear and legible.
Problems need to include all required steps and answer(s) for full credit. All answers
need to be reduced to lowest terms where possible.
1. Is the following relation a function? Why or why not?
{(0, 1); (2, 6); (3, 4); (6, 1)}
Calculations: Answer: _______________
2. Is the following relation a function? Why or why not?
{(2, 3); (3, 3); (2, 4); (9, 4)}
Calculations: Answer: _______________ H. Fernandez © 2014 3. Given the function f(x) = 2x - 3, find three ordered pairs on the line.
Calculations: Answer: _______________ 4. When f(x) = x2 + 2x - 5, find f(-3), f(0), and f(4).
Calculations: Answer: _______________
5. Rewrite the equation 5x – 7y = 15 as a function of x.
Calculations: Answer: _______________ H. Fernandez © 2014 In each of the following graphs, the bolded line represents a mathematical relationship
between x and y. Use the vertical line test to determine whether the relationship is a
function. Explain the reason for your conclusion. 6. 7. 8. 9. H. Fernandez © 2014 6.
7.
8.
9. Answer: _______________
Answer: _______________
Answer: _______________
Answer: _______________ The graph on the right represents the
function
. x 2 y 2 1 10. What are the roots of the
parabola?
Answer: _______________
11. What is the domain of the
function?
Answer: _______________
12. What is the range of the function?
Answer: _______________ Evaluate the composite functions.
13. If f(x) = x+2 and g(x) = 3x+1, then find (f · g) (2).
Calculations: Answer: _______________
14. If f(x) = 2x-3 and g(x) = x+3, then find (g · f) (5).
Calculations: H. Fernandez © 2014 Answer: _______________ 15. If f(x) = -5x+7 and g(x) = 3x-5, then find (f - g) (4).
Calculations: Answer: _______________ H. Fernandez © 2014

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