Solve.x5 + x2 ? 3x3 + 3
A. [-
, 
]
B. [-3, ?)
C. [-
, -1] ? [
, ?)
D. (-?, -
] ? [-1, 
]
Answer: C
Mathematics
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Use mathematical induction to prove that the statement is true for every positive integer n.3 + 3 ? 
+ 3 ? 
2 + ... + 3 ? 
n - 1 = 
What will be an ideal response?
Mathematics
Write the described ratio in fractional notation in lowest terms.According to an organization's membership list, it has 2200 members who are 50 or older and 
who are younger than 50. What is the ratio of members who are younger than 50 to the total number of members?
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
- 
= 3
A. 45
B. 27
C. 15
D. 
Mathematics
Identify the vertex of the parabola.P(x) = -2x2 - 12x - 13
A. (-3, 5) B. (-5, 3) C. (3, -5) D. (5, -3)
Mathematics