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
D, E, and F
Transcribed Image Text:Directions: Answer each question completely and show all work!
Set 1: Evaluate each of the following:
Given: f(x) = 2x - 15
Find:
g(x) = 3x²5x + 4
h(x) = x+3
k(x) = √√x² + 4x
a. f(g(x))
= f(3x²-5x+4)
=2(3x²-5x+4)-15
= 6x²-10x+8 -15
6x2-10x-77
=
Homework 1-2
d. g(f(x))
b. h(f(x))
=n(2x-15) -K(2x-15)
= 4
=
2x-15-3
= 4
e. f(k(x))
c. k(f(x))
2X-18
=√2x-15²74 (2x-13
= 54x2+ 225-60×нъа
-√4x²11655-S2X
f.k(h(x))
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