Determine if the graph of the function is concave up or concave down.y = -(x + 3)2
A. Concave up
B. Concave down
Answer: B
Mathematics
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Determine if the geometric series converges or diverges. If it converges, find its sum.
+ 
2 + 
3 + 
4 + 
5 + . . .
A. diverges
B. converges, 
C. converges, 
D. converges, 
Mathematics
Simplify.
A. y1/3 B. y7/5 C. y5/7 D. y6/3
Mathematics
Find all real and imaginary solutions to the equation.y4 - 8y2 + 12 = 0
A. {± 
, ± 
}
B. {-6, -2}
C. {±i
, ±i
}
D. {6, 2}
Mathematics
Express the rational expression in lowest terms.
A. 
B. 
C. 
D. 
Mathematics