Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Unsolved Questions of Algebra and Trigonometry | MATH 131, Exams of Trigonometry

Material Type: Exam; Class: Algebra and Trigonometry; Subject: Mathematics; University: Fayetteville State University; Term: Fall 2008;

Typology: Exams

Pre 2010

Uploaded on 08/01/2009

koofers-user-36r-3
koofers-user-36r-3 🇺🇸

10 documents

1 / 3

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Math131 Exam#3 Name
1. (15) Given f(x)=2x+1andg(x)=x23, find
(a) (gf)(1)
(b) (fg)(x)
(c) f1
2. (10) Using point-plotting method to sketch the graph of f(x)=2
x.
-
6
3. (10) Evaluate
(a) 200 5e0.002(65) =
(b) log2
1
16 =
1
pf3

Partial preview of the text

Download Unsolved Questions of Algebra and Trigonometry | MATH 131 and more Exams Trigonometry in PDF only on Docsity!

Math131 Exam#3 Name

  1. (15) Given f (x) = 2x + 1 and g(x) = x^2 − 3, find

(a) (g ◦ f )(1)

(b) (f ◦ g)(x)

(c) f −^1

  1. (10) Using point-plotting method to sketch the graph of f (x) = 2x.





  1. (10) Evaluate

(a) 200 − 5 e^0 .002(65)^ =

(b) log 2

  1. (10) Solve for x

(a) 9x−^1 = 3x

(b) 2^2 x^ − 10 · 2 x^ + 16 = 0

  1. (5) Express in terms of logarithms of a single letter or number to the first power. Assume that all the variables are positive.

log 3

( x^3 y^2 81 z^4

)

  1. (20) Solve for x

(a) ln x − ln 4 = 5

(b) log 4 x + log 4 (x + 2) =

log 4 9