Solve.If y varies directly as x2, and y = 1450.725 when x = 1.45, find y when x = 0.4.
A. 5258.87813
B. 400.2
C. 19,063.4332
D. 110.4
Answer: D
Mathematics
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Multiply and simplify.
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Find the domain and range of the inverse of the given function.f(x) = - 
A. Domain: (-?, 0) ? (0, ?); range: (-?, 0) B. Domain and range: all real numbers C. Domain and range: (-?, 0) ? (0, ?) D. Domain: (0, ?); range: (-?, 0)
Mathematics
Find the equation for the level surface of the function through the given point.f(x, y, z) = e(x2 + y2 - z), (2, 4, 10)
A. x2 + y2 - z = e10 B. x2 + y2 - z = ln(10) C. e(x2 + y2 - z) = ln(10) D. ln(x2 + y2 - z) = 10
Mathematics
Find the missing angle in the triangle.Two angles are 37° and 37°.
A. 286° B. 106° C. 16° D. 74°
Mathematics