Classify the surface.
 Figure 3.png)
A cone with axis parallel to the z-axis and vertex (0,6,6).
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Write an equation for a function that has a graph with the given characteristics.The shape of y = ?x? is vertically stretched by a factor of 2.8. This graph is then reflected across the x-axis. Finally, the graph is shifted 0.65 units downward.
A. f(x) = 2.8?x? - 0.65 B. f(x) = 2.8?-x? - 0.65 C. f(x) = -2.8?x? - 0.65 D. f(x) = 2.8?x - 0.65?
Find the angle between u and v in radians.u = -2i - 6j, v = 7i + 6j + 8k
A. -0.70 B. 1.58 C. 1.84 D. 2.28
Perform the indicated operation.
A. 14a8 B. 12a5 + 2a3 C. 14a16 D. 12a10 + 2a6
Solve the problem. Use 3.14 as the approximate value of ?. Round to the nearest tenth unless instructed otherwise.A cylindrical drain pipe is 5 in. across the top and about 11 in. high. How many cubic inches of water could it hold?
A. 863.5 in.3 B. 431.8 in.3 C. 215.9 in.3 D. 345.4 in.3