3-2t %3D 5t-15 t+2 10. 3t-9 19-t 15-t b. 15 (-3) 3t+8 5-t a. 15(t-3) C. 15 (t-3) 8(t-3)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 28RE
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answer the following

7-4
r-4
t+2
3-2t
10.
3t-9
5t-15
19-t
15-t
b.
15 (t-3)
3t+8
a.
15(t-3)
C.
15 (t-3)
5-t
d.
8(t-3)
3x+2
11.
4х-5
x-1
%3D
5-4x
x+1
a.
x-5
2x+3
b.
4х-5
4x+1
C.
4x-5
2x+1
d.
4x-5
T-1
12.
r2-r-2
T-2
%3D
r2-4
2r? -4
2
a.
(r-2)(r+2)(r+1)
b. r-1
C.
r+1
d.
(r+2)(r+1)
For items 13-14, solve the following equation.
4
8.
13. +
%3D
x(x+3)
x+3
a. x =
9
b. x = ?
C. x = –Z
d. x = –
6.
x+1
14. **1
2 =
-4
%3D
5.
a. x = 2 or 3
b. x = 3 or 4
C. x = 4 or 5
d. x = 5 or 6
For item 15, solve the problem.
15. It takes Liza 2 hours to mow her lawn. It takes Arlene 3 hours to mow the same lawn. At the same pace,
how long would it take them to mow the lawn if they do the job together?
a. 23
b. 15
c.1.
d. 2 hours
2 hours
hours
hours
11
Transcribed Image Text:7-4 r-4 t+2 3-2t 10. 3t-9 5t-15 19-t 15-t b. 15 (t-3) 3t+8 a. 15(t-3) C. 15 (t-3) 5-t d. 8(t-3) 3x+2 11. 4х-5 x-1 %3D 5-4x x+1 a. x-5 2x+3 b. 4х-5 4x+1 C. 4x-5 2x+1 d. 4x-5 T-1 12. r2-r-2 T-2 %3D r2-4 2r? -4 2 a. (r-2)(r+2)(r+1) b. r-1 C. r+1 d. (r+2)(r+1) For items 13-14, solve the following equation. 4 8. 13. + %3D x(x+3) x+3 a. x = 9 b. x = ? C. x = –Z d. x = – 6. x+1 14. **1 2 = -4 %3D 5. a. x = 2 or 3 b. x = 3 or 4 C. x = 4 or 5 d. x = 5 or 6 For item 15, solve the problem. 15. It takes Liza 2 hours to mow her lawn. It takes Arlene 3 hours to mow the same lawn. At the same pace, how long would it take them to mow the lawn if they do the job together? a. 23 b. 15 c.1. d. 2 hours 2 hours hours hours 11
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