8. Which of the following functions has the longest period? a. y = 6 sin (3x) + 20 b. y = 7 cos (лx) + 13 9. Evaluate log15 √√30: c. y = 2 sin (0.5x) — 11 d. y = 8 cos (2x) − 4 1 30 a. 15 4√30 log 30 b. C. d. ½log 2 15 4 log 15

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter5: Exponential And Logarithmic Functions
Section5.2: Applications Of Exponential Functions
Problem 48E
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8. Which of the following functions has the longest period?
a.
y = 6 sin (3x) + 20
b. y = 7 cos (лx) + 13
9. Evaluate log15 √√30:
c. y = 2 sin (0.5x) — 11
d. y = 8 cos (2x) − 4
1
30
a.
15
4√30
log 30
b.
C.
d. ½log 2
15
4 log 15
Transcribed Image Text:8. Which of the following functions has the longest period? a. y = 6 sin (3x) + 20 b. y = 7 cos (лx) + 13 9. Evaluate log15 √√30: c. y = 2 sin (0.5x) — 11 d. y = 8 cos (2x) − 4 1 30 a. 15 4√30 log 30 b. C. d. ½log 2 15 4 log 15
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