Identify the type of surface represented by the given equation.
+ 
- 
= 1
A. Hyperboloid of two sheets
B. Elliptical cone
C. Ellipsoid
D. Hyperboloid of one sheet
Answer: D
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 4 for r(t) = (8t2 + 2t + 9)i - 2t3j + (2 - t2)k
A. v(4) = 62i - 96j - 8k B. v(4) = 66i - 96j - 8k C. v(4) = 34i - 32j - 4k D. v(4) = 66i + 96j + 8k
Perform the indicated operations. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.
A. - 
B. 
C. 
D. 
Solve the problem.The area of a parallelogram is 25x3 + 60x2 + 40x + 7. Find a polynomial that expresses the height if the base is 5x + 7.
A. 5x2 + 5x + 7 B. 5x2 + 10x + 1 C. 5x2 + 5x + 1 D. 10x2 + 5x + 1
What is the slope of any line that is perpendicular to the graph of 
?
What will be an ideal response?