Find an expression for the general term, an.64, -16, 4, -1, . . .

A. an = 64(-4) n - 1
B. an = 64 n - 1
C. an = 64 n - 1
D. an = 64 n - 1

Answer: C

Mathematics

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Write a logistic equation with the given parameter values. Then solve the initial value problem and graph the solution. Let r be the natural growth rate, K the carrying capacity, and P0 the initial population.r = 0.2, K = 1,750, P0 = 70

A. P' = -0.2P; P = 

B. P' = 0.2P; P = 

C. P' = 0.2P; P = 

D. P' = 0.2P; P = - 

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A.
B. - 
C. - 
D. - 

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Give an appropriate answer.A pharmaceutical company spent $2.4 billion on research last year. Is this more or less than $2.2 billion?

A. More B. Less C. not enough information to determine

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Mathematics