Rationalize the denominator and simplify. 
A. 
B. 
C. 8
D. 
Answer: B
Mathematics
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Solve the inequality, and then express in interval notation.10x - 4 ? 9x + 3
A. x ? 7; [7, ?) B. x < 10; (-?, 10) C. x ? 7; (-?, 7] D. x > 10; (10, ?)
Mathematics
Calculate the derivative of the function. Then find the value of the derivative as specified.g(x) = x3 + 5x; g '(1)
A. g '(x) = 3x2 + 5x; g '(1) = 8 B. g '(x) = 3x2; g '(1) = 3 C. g '(x) = 3x2 + 5; g '(1) = 8 D. g '(x) = x2 + 5; g '(1) = 6
Mathematics
Find the slope of the line through the pair of points.(7, -6) and (7, -1)
A. -5 B. Undefined C. 5 D. 0
Mathematics
Solve the equation.n2 - 100 = 0
A. {0, 10} B. {10} C. {-10} D. {-10, 10}
Mathematics