Sketch the graph of the quadratic function. Give the vertex and axis of symmetry.f(x) = -(x + 1)2 + 9
A. vertex: (- 1, 9)
axis of symmetry: x = - 1
B. vertex: (- 1, 9)
axis of symmetry: x = - 1
C. vertex: (1, 9)
axis of symmetry: x = 1
D. vertex: (1, - 9)
axis of symmetry: x = 1
Answer: B
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Solve the problem.Consider the region R bounded by the graph of f(x) = 
on the interval [0, 3]. Find the volume of the solid formed when R is revolved about the y-axis.
A. ?
B. 2?
C. ?
D. 2?
Identify the dependent and independent variables.Cost of kitchen remodeling project, materials used, hours of labor
A. Dependent: Materials used Independent: Cost of kitchen remodeling project, Hours of labor B. Dependent: Cost of kitchen remodeling project Independent: Materials used, Hours of labor
Simplify.4(x + 7y + 6)
A. 4x + 28y + 24 B. 4x + 28y + 6 C. 4x + 7y + 6 D. 4x - 28y - 24
Provide an appropriate response.Determine whether a linear or quadratic function would be a more appropriate model for the graphed data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the coefficient of x2 should be positive or negative. CRIME STATISTICS 
Years since 2000
A. Quadratic; positive B. Linear; negative C. Linear; positive D. Quadratic; negative