Solve the problem.Assume that the rate of change of the population of a certain city is given by 
where y is the population at time t, in years. The population was 100,000 in 1980. Assume 
is 1980. Find the population function.
A. y = 10,000e.06t + 90,000
B. y = 100,000e.06t
C. y = 100,000e.06
D. y = 1,000,000e.06 + 900,000
Answer: B
Mathematics
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Find an equivalent equation in rectangular coordinates.r(1 - 2 cos ?) = 1
A. 
= 1 + 2x
B. 
= 2 + x
C. x2 + y2 = 1 + 2x
D. x2 + y2 = 2 + x
Mathematics
Solve the problem.In a school survey, students showed these preferences for instructional materials. Answer the question. 
About how many students would you expect to prefer written materials in a school of 900 students?
A. About 162 students B. About 9 students C. About 81 students D. About 324 students
Mathematics
Evaluate the expression without using a calculator.- 
A. 14 B. 24 C. -12 D. 12
Mathematics
Find all real zeros of the polynomial 
and determine the multiplicity of each.
A. 
B. 
C. 
D. 
E. 
Mathematics