Find the standard form of the equation of the parabola with the given characteristic(s) and vertex at the origin.
?
Focus: 
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Solve the inequality, then graph the solution.10 < -5z ? 30
A. (-6, -2]
B. (2, 6]
C. [-6, -2)
D. [2, 6)
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Find the second derivative.y = 5x3 - 8x2 + 3
A. 16x - 30 B. 16x - 20 C. 20x - 16 D. 30x - 16
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Simplify the expression. Assume all variables represent nonnegative real numbers.(x2/3)4/7
A. x8/21 B. x21/8 C. x8/7 D. x26/21
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Multiply the rational expressions: 
a. 
b. 
c. 
d. 
Mathematics