Sketch the graph of the quadratic function. Give the vertex and axis of symmetry.f(x) = -(x + 1)2 + 4
A. vertex: (1, - 4)
axis of symmetry: x = 1
B. vertex: (- 1, 4)
axis of symmetry: x = - 1
C. vertex: (1, 4)
axis of symmetry: x = 1
D. vertex: (- 1, 4)
axis of symmetry: x = - 1
Answer: B
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Solve the equation by multiplying by a power of 10.1.4q - 6.3q + 1.2 = -42.9
A. {7.2} B. {7.0} C. {-49} D. {9}
Solve the problem using matrices.Melody has $45,000 to invest and wishes to receive an annual income of $4290 from this money. She has chosen investments that pay 5%, 8%, and 12% simple interest. Melody wants to have the amount invested at 12% to be double the amount invested at 8%. How much should she invest at each rate?
What will be an ideal response?
Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = (-7x + 3)9
A. f(x) = -7x9, g(x) = x + 3 B. f(x) = x9, g(x) = -7x + 3 C. f(x) = (-7x)9, g(x) = 3 D. f(x) = -7x + 3, g(x) = x9
Graph the system of inequalities, and find the coordinates of the vertices.y ? 4 - 2xx ? 1
A. 
B. 
C. 
D. 