hat Let us check how much you know about functions and their graphs. Direction: Choose the letter of the best answer and write this on your answer sheet. 1) Given f(x) = 2x- 5 & g(x) = a. 11- 6х b. 6x2-7x 20 = 3x + 4, solve for (g of)x). C. 6x - 11 d. 6x2 - 23x - 20 %3D 2) Given y = 3x +7, what is f(-2)? C. -13 d. 13 a. b. -1 3) The composite function denoted by fog is defined as a. (fog)(x) =f(g(x)) b. (fo g)(x) = g(f(x)) c. (f o g)(x) = f (x)•g(x) d. (fog)(x) = g(x)•f(x) 4) It is a set of ordered pairs (x, y) such that no two ordered pairs have the same X- value but different y-values. a. relation b. function C. domain d. range 5) What is the domain of the equation y = 3x2 - 4x? a. (x:x E R,x <-1} b. {x:x E R, x # 1} c. {x:x E R} d. {x: x E R, x 24}
hat Let us check how much you know about functions and their graphs. Direction: Choose the letter of the best answer and write this on your answer sheet. 1) Given f(x) = 2x- 5 & g(x) = a. 11- 6х b. 6x2-7x 20 = 3x + 4, solve for (g of)x). C. 6x - 11 d. 6x2 - 23x - 20 %3D 2) Given y = 3x +7, what is f(-2)? C. -13 d. 13 a. b. -1 3) The composite function denoted by fog is defined as a. (fog)(x) =f(g(x)) b. (fo g)(x) = g(f(x)) c. (f o g)(x) = f (x)•g(x) d. (fog)(x) = g(x)•f(x) 4) It is a set of ordered pairs (x, y) such that no two ordered pairs have the same X- value but different y-values. a. relation b. function C. domain d. range 5) What is the domain of the equation y = 3x2 - 4x? a. (x:x E R,x <-1} b. {x:x E R, x # 1} c. {x:x E R} d. {x: x E R, x 24}
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Related questions
Question
functions and graphs
Transcribed Image Text:concepts in this module.
What I Know
Let us check how much you know about functions and their graphs.
Direction: Choose the letter of the best answer and write this on your answer sheet.
1) Given f(x) = 2x-5 & g(x) = 3x+ 4, solve for (g of)(x).
a. 11- 6х
b. 6x2-7x-20
С. 6х - 11
d. 6x2 - 23x -20
2) Given y = 3x + 7, what is f(-2)?
a. 1
b. -1
C. -13
d. 13
3) The composite function denoted by fog is defined as
a. (fog)(x) = f(g(x))
b. (fo g)(x) = gf(x))
c. (f o g)(x) = f (x)•g(x)
d. (fo g)(x) = g (x) f(x)
4) It is a set of ordered pairs (x, y) such that no two ordered pairs have the same x-
value but different y-values.
a. relation
b. function
C. domain
d. range
5) What is the domain of the equation y = 3x2- 4x?
a. {x:x E R, x <-1}
b. {x:xE R, x # 1}
c. {x: x € R}
d. {x: x E R, x 2 4}
2
Transcribed Image Text:6) Given f(x) = 2x -5 & g(x) = 3x + 4, find (feg)(x).
a. 6x2 + 23x - 20
b. 6x2 - 23x- 20
c. 6x2 - 20
d. 6x2 -7x - 20
7) if f(x) = x + 7 & g(x) = 2x - 3, what is (f-g)(x)?
a. -x +4
C. x-4
b. 10-x
d. 10 + 3x
8) When dividing two fractions or rational expressions, multiply the dividend with
the
of the divisor.
C. abscissa
d. Theorem
a. reciprocal
b. addend
9) What is the set of all possible values that the variable x can take in a relation?
C. equation
d. function
a. domain
b. range
0) Which of the following set of ordered pairs in NOT a function?
a. (1,2), (2,3), (3,4), (4,5)
b. (1,2), (1,3), (3,6), (4,8
c. (1, 1), (2, 2), (3, 3), (4, 4)
d. (3, 2), (4, 2), (5, 2), (6, 2)
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