Find the open interval(s) where the function is changing as requested.Increasing; y = 7x - 5
A. (-5, ?)
B. (-?, ?)
C. (-?, 7)
D. (-5, 7)
Answer: B
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Simplify.(y4)6
A. y24 B. y10 C. y6 D. 6y4
Multiply.
(
+ x
)
A. 11 + 11x
B. 11 + x
C. 11 + 11x
D. 22 + x
Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.
A. function domain: {x|-1 ? x ? 1} range: all real numbers intercepts: (-1, 0), (1, 0) symmetry: x-axis, y-axis B. function domain: {x|x ? -1 or x ? 1} range: all real numbers intercepts: (-1, 0), (1, 0) symmetry: x-axis, y-axis, origin C. function domain: all real numbers range: {y|y ? -1 or y ? 1} intercepts: (-1, 0), (1, 0) symmetry: y-axis D. not a function
Find the median. If necessary, round to one decimal place.During an experiment, the following lengths (in centimeters) were recorded: 8, 5, 27, 20, 25, 41, 35, 32.
A. 25 cm B. 24.5 cm C. 27 cm D. 26 cm