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## Math College Algebra Exam 3

by: Corina Johnson

28

0

6

# Math College Algebra Exam 3 12458

Marketplace > University of Houston > Math > 12458 > Math College Algebra Exam 3
Corina Johnson
UH

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Exam 3 prep
COURSE
College Alegbra
PROF.
Moses Sosa
TYPE
Study Guide
PAGES
6
WORDS
CONCEPTS
College Alegbra
KARMA
50 ?

## Popular in Math

This 6 page Study Guide was uploaded by Corina Johnson on Sunday February 21, 2016. The Study Guide belongs to 12458 at University of Houston taught by Moses Sosa in Spring 2016. Since its upload, it has received 28 views. For similar materials see College Alegbra in Math at University of Houston.

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Date Created: 02/21/16
M1310 Review for test 3 1 Review for Test 3: 1. Find the domain: a. f(x) = x 7x −14 b. f(x) = 5x −−1 c. f(x) = 5 − 4x 2. a. Calculate f(−2)if f(x)= x2 + x  2 b. Calculate f(−2)if f(x)==x + 2x x ≤ −1  x x > −1 M1310 Review for test 3 2 c. Which point below is on the graph of f(x).  2 x < −1  f(x)== 4 x = −1 x 2 −1 x >> −1 (−2,0 ) or (1,0) 3. Determine which of the following is on the graph. a. f(x) = − 1 x− 3 2 − 1,1) 0,−−3) b. f(x) = 2x 2 − 3x−1 1,−−2) (−1,−1 ) − − 4. a. X is directly proportional to the square of y. Find the constant of proportionality if X = 8 and y = 10 and the general formula. M1310 Review for test 3 3 b. P is inversely proportional to the cube root of T. Let k be the constant of proportionality. If P = 3 and T = 8, find k. 5. a. Sketch the graph f(x) = − x −1 b. Sketch the graph f(x) = −(x+ 2)2 −1 6. 3 a. What are the necessary transformations f(x)= x ++ 3) −2 M1310 Review for test 3 4 b. What is the function? 7. a. Find the vertex f(x) = 2x −− 4x +21 b. Find the maximum or minimum value of the function f(x)= x 2−−16x + 8 2 9. Put in standard form f(x) = −x − 6x + 2 M1310 Review for test 3 5 10. If f(x) = x +1 and g(x) = x2 , find(go f (x)and (f o g−1) 1 2 11. If f(x) = 2x and g(x) == x −1, find f o )2 ). 2 12. If f(x) = −2x + 2 and g(x) == x + x, find(f o g (2) 13. Find the inverse: a. f(x) = −2x ++ 2 M1310 Review for test 3 6 b. f(x) = 1 = x + 2

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