Use the square root property to solve the equation.(2x + 7)2 = 13
A. 
B. -7 ± 
C. ± 
D. 
Answer: D
Mathematics
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Solve the problem.A building has an entry with the shape of a parabolic arch 100 ft high and 28 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system.A = 100 ftB = 28 ft
A. x2 = -2y B. y2 = -2x C. y2 = -7.8x D. x2 = -7.8y
Mathematics
Verify the identity.
= - sin 3x
What will be an ideal response?
Mathematics
Write the function g in terms of the function f where the graph of g is given by the following transformations of the graph of f. The graph of f(x) = 
is shifted 2 units to the right.
A. g(x) = f(x - 2) B. g(x) = f(x) + 2 C. g(x) = f(x) - 2 D. g(x) = f(x + 2)
Mathematics
Find the coordinates of the foci.
Mathematics