Solve for the specified variable. Assume that all other variables are nonzero.x2 - 3cx - 10c2 = 0; for x
A. x = ± 
B. x = ± 
C. x = 2c, -5c
D. x = -2c, 5c
Answer: D
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Solve.The number of daily calories K needed by a moderately active man who weighs w pounds, is h inches tall, and is y years old, can be estimated by the formula 
. Find the daily caloric need of a moderately active man weighing 218 lbs, who is 70 inches tall and 45 years old.
A. 3737.44 calories B. 4335.24 calories C. 4150.44 calories D. 3922.24 calories
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: all real numbers range: {y|y ? 9} intercepts: (0, -4), (8, 0), (0, 2) symmetry: none B. function domain: {x|x ? 9} range: all real numbers intercepts: (-4, 0), (0, 8), (2, 0) symmetry: y-axis C. function domain: all real numbers range: {y|y ? 9} intercepts: (-4, 0), (0, 8), (2, 0) symmetry: none D. not a function
Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex (-5, -8); passing through (2, -3)
A. y = 
(x - 5)2 - 8
B. y = 
(x + 5)2 + 8
C. y = 
(x - 5)2 + 8
D. y = 
(x + 5)2 - 8
Provide an appropriate response.Is y2 - 2y + 1 -x = 0 the equation of a circle or parabola?
A. Circle B. Parabola