Determine the slope and the y-intercept.y = 6x + 7
A. Slope 6, y-intercept (0, 7)
B. Slope 7, y-intercept (0, 6)
C. Slope 7, y-intercept (0, -6)
D. Slope -6, y-intercept (0, 7)
Answer: A
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The growth rate G, in thousands per year, of a certain population depends on the number N, in thousands, of individuals present. The relationship is
.
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A: Make a graph of growth rate versus population size.
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B: What population level results in a maximum growth rate? What is that maximum growth rate?
Round your answers to two decimal places.
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C: When population demands exceed available resources, a population decline can be expected. What population levels would result in a declining population? Round your answer to two decimal places.
What will be an ideal response?
Determine the values of x for which the function, as represented by the graph, is continuous. If the function is not continuous, determine the reason.
A. Not continuous at x = -2; function not defined Not continuous at x = 2; small change B. Not continuous at x = -2, x = 0, x = 2; function not defined C. Not continuous at x = 0; function not defined Not continuous at x = -2, x = 2; small change D. Not continuous at x = -2, x = 0; function not defined Not continuous at x = 2; small change
The radioactive element polonium decays according to the law 
where Q?0 is the initial amount and the time t is measured in days. If the amount of polonium left after 560 days is 40 mg, what was the initial amount present?
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A. The initial amount was 645 mg B. The initial amount was 642 mg C. The initial amount was 651 mg D. The initial amount was 640 mg
Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 37.23 B. 7.64 C. 153.5 D. 2.62