Find the relative extrema of the function, if they exist.f(x) = x2 - 2x + 11
A. Relative maximum at (1, 10)
B. Relative maximum at (10, 1)
C. Relative minimum at (10, 1)
D. Relative minimum at (1, 10)
Answer: D
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Solve the problem.In 1995 the United States recovered 23% of its municipal wastes through recycling, up from 17% in 1990. Let P represent the percentage recycled and t the number of years since 1990. Find a linear function P(t) that fits this data. Use this function to predict the percentage recycled in 2004.
A. 30.2% B. 35.5% C. 33.8% D. 31.9%
Determine the slope and y-intercept for the equation.x = -1
A. slope: m = -1; y-intercept: b = 0 B. slope: m = 0; y-intercept: b = -1 C. slope: m is undefined; no y-intercept D. slope: m is undefined; y-intercept: b = -1
Identify the abuse of statistics.A researcher wished to gauge public opinion on gun control. He randomly selected 1000 people from among registered voters and asked them the following question " Do you believe that gun control laws which restrict the ability of Americans to protect their families should be eliminated?" Identify the abuse of statistics and suggest a way the researcher's methods could be improved.
What will be an ideal response?
Use the graph of f to determine the intervals where f is increasing and where f is decreasing.
A. increasing: (-?, 0]; decreasing [0, ?) B. increasing: [0, ?); decreasing (-?, 0] C. increasing: (-?, ?); decreasing: never D. increasing: never; decreasing: (-?, ?)