Use a proportion to solve the problem.On a map of the Fox River, 1 centimeter represents 5.5 kilometers. If a trail by the river is actually 24.20 kilometers long, what is the length of the river on the map?
A. 4.4 centimeters
B. 6.4 centimeters
C. 13.7 centimeters
D. 18.7 centimeters
Answer: A
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Solve the problem.The kind of symmetries found in the wallpaper pattern shown below are the identity and
A. translations, reflections and rotations only. B. translations and glide reflections only. C. translations only. D. translations and vertical reflections only. E. none of these
Use the graph of a quadratic function to find the solution set of the equation or inequality. For a solution set that involves an interval, use interval notation.-x2 - 1x - 4 ? 0
A. ? B. x = 4 C. (-?, ?) D. (-?, 4) ? (4, ?)
Decide whether the relation is a function, and give the domain and range.
A. Not a function; domain: (-?, 0) ? (0, ?); range: (-?, ?) B. Function; domain: (-?, 0) ? (0, ?); range: (-?, ?) C. Not a function; domain: (-?, ?); range: (-?, ?) D. Function; domain: (-?, ?); range: (-?, ?)
Determine whether the relation represents a function. If it is a function, state the domain and range.{(-3, 11), (-2, 6), (0, 2), (2, 6), (4, 18)}
A. function domain: {11, 6, 2, 18} range: {-3, -2, 0, 2, 4} B. function domain: {-3, -2, 0, 2, 4} range: {11, 6, 2, 18} C. not a function