Find the product. Assume variables represent positive real numbers.y1/3(y4/9 - 4y2/9)
A. y4/27 - 4y2/27
B. y-1/9 - 4y1/9
C. y7/9 - 4y5/9
D. y3/4 - 4y3/2
Answer: C
Mathematics
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Write a linear inequality that describes the shaded region.
A. y ? -x + 1 B. y ? 2x + 2 C. y ? 2x + 2 D. y ? x - 1
Mathematics
Find the composition. If f(x) = 4x2 + 5x + 7 and g(x) = 5x - 6, find g[f(x)]
A. 4x2 + 25x + 29 B. 20x2 + 25x + 41 C. 4x2 + 5x + 1 D. 20x2 + 25x + 29
Mathematics
Tell whether the expression is a polynomial. If it is, give its degree.6x2 - 
A. Polynomial; degree -1 B. Polynomial; degree 1 C. Polynomial; degree 2 D. Not a polynomial
Mathematics
Write the first four terms of the sequence whose general term is given.an = 3n
A. 2, 1, 0, -1 B. 3, 6, 9, 12 C. 0, 3, 6, 9 D. 4, 5, 6, 7
Mathematics