Solve the equation by the square root method.2x2 + 5 = 13
A. {-3, 3}
B. {2}
C. {6.5}
D. {-2, 2}
Answer: D
Mathematics
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Use differentiation to determine whether the integral formula is correct.
dx = - 
+ C
A. Yes B. No
Mathematics
Evaluate the surface integral of G over the surface S.S is the portion of the cone z = 3
, 0 ? z ? 2; G(x, y, z) = z - y
A. 
B. 
?
C. 
?
D. 
?
Mathematics
Find ?f.f(x, y, z) = 
A. F = 
i + 2yj + 2zk
B. F = 
i + 
j + 
k
C. F = 
(x2 + y2 + z2)i + 
j + 
k
D. F = 
i + 
j + 
k
Mathematics
Give the appropriate counting number answer to the problem.A particular freight elevator can safely carry 1061 pounds. How many 109-pound bundles of wood can be safely carried by this elevator?
A. 5 B. 9 C. 7 D. 4
Mathematics