Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = -(y + 1)2 + 6
A. 
opens left; vertex (1, -6);
axis of symmetry y = -6
B. 
opens left; vertex (6, -1);
axis of symmetry y = -1
C. 
opens left; vertex (-1, 6);
axis of symmetry y = 6
D. 
opens left; vertex (6, 1);
axis of symmetry y = 1
Answer: B
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Find an expression for the volume of the shaded solid by subtracting the volume of the smaller cylinder from the volume of the larger cylinder. Write your answer in factored form. The diameter of the larger cylinder is 2R and the diameter of the smaller cylinder is 6. Both cylinders have a height of h. The formula for the volume of a cylinder is V = ?r2h.
A. ?h(R - 3)2 B. ?h(R + 6)(R - 6) C. ?h(R + 3)(R - 3) D. h(R + 3?)(R - 3?)
Solve.Anna spent 4.77 hours doing her math homework. Write this decimal in words.
A. four and seventy-seven tenths B. four and seventy-seven hundredths C. four and seventy-seven thousandths D. four and seventy-seven millionths
Graph.f(x) = 24x - 3
A. 
B. 
C. 
D. 
Determine whether the given equation is an identity.3x + 9x = 11x
A. Yes B. No