Match the equation with the surface it defines.x2 + y2 = 4 
A. Figure 4
B. Figure 1
C. Figure 3
D. Figure 2
Answer: D
Mathematics
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Use an Euler diagram to determine whether the argument is valid or invalid.Some TV shows are comedies.All comedies are hits. Some TV shows are hits.
A. Valid B. Invalid
Mathematics
Solve the following quadratic equation using the quadratic formula. Find the exact answer. If there are no real solutions, so state.7y2 - 34y - 5 = 0
A. y = -7 or y = 5
B. y = 
or y = - 
C. y = - 
or y = 5
D. y = - 
or y = 7
Mathematics
Find the derivative of y with respect to x.y = tan-1 (ln 3x)
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression.sin 
A. 
B. 
C. 
D. 
Mathematics