Simplify.8 × 0.2 + 1.1 ÷ 2 - 0.42
A. 5.09
B. 0.29
C. 9.19
D. 1.99
Answer: D
Mathematics
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Using the derivative of f(x) given below, determine the intervals on which f(x) is increasing or decreasing.f'(x) = x1/3(x - 7)
A. Decreasing on (0, 7); increasing on (7, ?) B. Decreasing on (0, 7); increasing on (-?, 0) ? (7, ?) C. Decreasing on (-?, 0) ? (7, ?); increasing on (0, 7) D. Increasing on (0, ?)
Mathematics
Find three positive numbers whose sum is and whose product is a maximum.
What will be an ideal response?
Mathematics
Solve the rational inequality.
< 1
A. (-?, -7) B. (-?, -7) ? (5, ?) C. (-7, ?) D. (-7, 5)
Mathematics
Factor by grouping.12x2 + 8xy - 15xy - 10y2
A. (4x - 5)(3x + 2) B. (4x + 5y)(3x + 2y) C. (12x - 5y)(x + 2y) D. (4x - 5y)(3x + 2y)
Mathematics