A cone sliced by a plane results in a type of curve called a conic section. Use the given information and figure to identify the conic section produced in the plane. The plane is perpendicular to the axis of the cone. 
A. parabola
B. hyperbola
C. ellipse
D. circle
Answer: D
Mathematics
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Express the number in scientific notation.0.0000004
A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9
Mathematics
Graph the function.y = 
- 3
A. 
B. 
C. 
D. 
Mathematics
Write an equation for a function whose graph fits the given description.The graph of f(x) = 
is reflected across the y-axis. This graph is then vertically stretched by a factor of 3.1. Finally, the graph is shifted 2 units downward.
A. f(x) = 3.1
+ 2
B. f(x) = 3.1
- 2
C. f(x) = 2
- 3.1
D. f(x) = -3.1
- 2
Mathematics
Write the expression as a logarithm of a single expression. Assume that variables represent positive numbers.(logam - logan) + 2logak
A. loga
B. loga
C. logamk2n
D. loga
Mathematics