7. A population p, of bears varies according to p(t) = 250 + 30cost, where t, is the time in years. During which of the following intervals is the population increasing? a. 0
7. A population p, of bears varies according to p(t) = 250 + 30cost, where t, is the time in years. During which of the following intervals is the population increasing? a. 0
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.4: Logarithmic Functions
Problem 45E
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pls help asap on both pls.

Transcribed Image Text:7. A population p, of bears varies according to p(t) = 250 + 30cost, where t, is the time in years. During which of
the following intervals is the population increasing?
a. 0<t<
π
2
b.π<t<2π
8. What is the period of the function y = sin xx ?.
a. I
b. 2π
d. 0<t<π
3π
C.
3.2
<t<2π
c. 2
d. 360
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