The doubling time of a certain bacteria culture is 8 hr. What is the growth rate? Round to the nearest tenth of a percent.

What will be an ideal response?


8.7% per year

Mathematics

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The number of animals present t years after their introduction to a game preserve is given by ? . ? Use a table of values to estimate the environmental carrying capacity of this reserve for this particular animal. ?

A. 24.45 B. 269 C. 0 D. 10

Mathematics

Choose the equation that matches the graph.

A. x2 = -8y B. x2 = 8y C. y2 = 8x D. 8x2 = y

Mathematics

Use a vertical shift to graph the function.y = 1 + cos x

A.

B.

C.

D.

Mathematics

Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.   

A. x = , y = - , z = - , w = - 
B. x = -2, y = -3, z = 5, w = 
C. x = -2, y = 3, z = 4, w = -2; (-2, 3, 4, -2)
D. x = 2, y = -3, z = -4, w = -2; (2, -3, -4, -2)

Mathematics