Solve the problem. If a population is changed by either immigration or emigration, a model for the population is
where y is the population at time t and f(t) is some function of t that describes the net effect of the emigration/immigration. Assume that k = 0.02 and y(0) = 10,000. Solve this differential equation for y, given that 
A. y = -100t + 5000 + 5000e-0.02t
B. y = 100t + 5000 + 5000e-0.02t
C. y = -100t - 5000 + 5000e0.02t
D. y = 100t + 5000 + 5000e0.02t
Answer: D
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,
,
, . . .
A. an =
B. an =
C. an =
D. an =
The relationship between the Fahrenheit and Celsius temperature scales is given by the linear function.
Use the quadratic formula to solve the equation.p2 + p - 9 = 0
A. -1 ±
B.
C.
D.
Use the Newton method to approximate the indicated zero of the function. Continue with the iteration until two successive approximations differ by less than 0.0001. Round your answer to four decimal places, if necessary.
?
The zero of between
and
,
.
Fill in the blank(s) with the appropriate word(s).