Determine if the function is concave up or concave down in the first quadrant.y = x4/9
A. Concave down
B. Concave up
Answer: A
Mathematics
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Use the ratio test to determine if the series converges or diverges.
A. Converges B. Diverges
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Use the substitution formula to evaluate the integral.
A. 
- 2
B. 
- 4
C. 2
- 8
D. - 2
+ 8
Mathematics
Evaluate the expression.
A. 504 B. 1 C. 9 D. 60,480
Mathematics
Translate to a proportion and solve. What percent of 1260 is 63?
A. 21% B. 20% C. 6% D. 5%
Mathematics