Add, subtract, or multiply, as indicated. Express your answer as a single polynomial in standard form.(7x2 + 8x - 18) - (3x2 - 4x - 11)
A. 4x2 + 11x - 29
B. 4x2 + 12x - 29
C. 4x2 + 12x + 7
D. 4x2 + 12x - 7
Answer: D
Mathematics
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A. - 0.005718 B. 0.5718 C. - 0.05718 D. 0.005718 E. - 0.0005718
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Find the following. Assume that letters can represent any real number.
A. 
- 2
B. 
C. 2 - x
D. x - 2
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Evaluate f(x) at the given value of x.f(x) = 92
x = 
A. 93 B. 1 C. 0 D. 92
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Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.2 ln e4.2
A. 2.1 B. 8.4 C. 4.2 D. e8.4
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