Identify the type of surface represented by the given equation.x = 7z2, no limit on y
A. Hyperboloid of two sheets
B. Parabolic cylinder
C. Cylinder
D. Sphere
Answer: B
Mathematics
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Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 9 B. 0.2 C. -0.1 D. 0.1
Mathematics
Solve the problem.Use the formula s = r? to determine the value of s in the figure. Round to two decimal places.
A. 343.77 in. B. 12.57 in. C. 0.17 in. D. 6.28 in.
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 7
B. 
C. 43
D. 
Mathematics
Clear fractions then solve by substitution.
- 
= - 
= 
A. 
B. 
C. 
D. 
Mathematics