For the given function expressed verbally, give a symbolic representation.To convert x square yards to y square feet, multiply x by 9. Let y = f(x).

A. f(x) = 9x
B. f(x) = 9 - x
C. f(x) = 9/x
D. f(x) = x/9


Answer: A

Mathematics

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Graph the parabola and label the vertex. Find the x-intercept.x = y2 + 3

A. vertex (3, 0), x-intercept (3, 0)

B. vertex (- 3, 0), x-intercept (- 3, 0)

C. vertex (- 3, 0), x-intercept (- 3, 0)

D. vertex (3, 0), x-intercept (3, 0)

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Simplify.|15|

A. 0 B. 15 C. -15 D. 30

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Classify the requested angle shown in the figure below, where l?1 and l?2 are parallel. ? ?CBA  if  m  ?  16  is 120° ? ? The angle is __________.

Fill in the blank(s) with the appropriate word(s).

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Use the graph of the quadratic function to find the vertex, axis of symmetry, x- and y-intercepts, and domain and range.

A. vertex: (-2, 1) axis of symmetry: x = -2 x-intercepts: -1 and - 3 y-intercept: -3 domain: (-?, 1] range: (-?, ?) B. vertex: (1, -2) axis of symmetry: x = 1 x-intercept: -3 y-intercepts: -1 and - 3 domain: (-?, ?) range: (-?, 1] C. vertex: (-2, 1) axis of symmetry: x = 1 x-intercepts: -1 and - 3 y-intercept: -3 domain: (-?, ?) range: (-?, 1) D. vertex: (-2, 1) axis of symmetry: x = -2 x-intercepts: -1 and - 3 y-intercept: -3 domain: (-?, ?) range: (-?, 1]

Mathematics