Use the principles of translating and reflecting to graph the function.f(x) = -(x + 4)4 - 1
A. 
B. 
C. 
D. 
Answer: A
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Find the limit L for the given function f, the point x0, and the positive number ?. Then find a number ? > 0 such that, for all x, 
f(x) = 
, x0 = 2, ? = 0.4
A. L = 2; ? = 0.48 B. L = 2; ? = 0.59 C. L = 3; ? = 0.48 D. L = j-1; ? = 0.21
Solve the problem. Round to the nearest tenth unless indicated otherwise.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.46 ohm when the diameter is 1 mm and the length is 230 cm, what is the resistance when the diameter is 2 mm and the length is 2170 cm?
A. 1.1 ohm B. 542.5 ohm C. 249.6 ohm D. 2.2 ohm
Determine the direction in which the parabola opens, and the vertex.y2 - 4y - x - 1 = 0
A. Opens to the left; (5, -2) B. Opens downward; (2, 5) C. Opens downward; (-2, 5) D. Opens to the right; (-5, 2)
Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex: (-3, -4) passing through: (-5, 4)
A. y = -2x2 + 12x + 4 B. y = 2x2 + 12x + 14 C. y = 2x2 + 3x + 4 D. y = -5x2 - 12x - 14