Find the equation that the given graph represents.
A. f(x) = x2 + 4x - 5
B. f(x) = -x3 + 4x2 + x - 5
C. f(x) = x3 + x2 + x + 5
D. f(x) = x3 + 4x2 - x - 5
Answer: D
Mathematics
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Identify the fraction as a proper fraction or an improper fraction.
A. Improper fraction B. Proper fraction
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Add or subtract as indicated. You will need to simplify terms to identify like radicals.
- 
A. 2
- 3
B. 3
- 2
C. 5
D. 2 - 3
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Rationalize the denominator. Assume all variables represent positive real numbers.
A. 
B. 
C. 1
D. 
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Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 120 B. 248 C. 340 D. 24
Mathematics