Use the distributive property to rewrite the algebraic expression without parentheses. Simplify.7(3x + 6 + 4y)
A. 21x + 6 + 4y
B. 21x + 6 + 28y
C. 21x + 42 + 28y
D. 21x + 42 + 4y
Answer: C
Mathematics
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Evaluate the integral.
A. tan4 4x -
tan2 4x - ln
+ C
B. - tan4 4x +
tan2 4x -
ln
+ C
C. tan4 4x -
tan2 4x +
ln
+ C
D. tan4 4x -
tan2 4x -
ln
+ C
Mathematics
Find n(A) for the set.A = {1, 1, 2, 2, ..., 5, 5}
A. n(A) = 6 B. n(A) = 3 C. n(A) = 10 D. n(A) = 5
Mathematics
Solve the equation for the specified variable.A = h(B + b) for b
A. b = 2A - Bh
B. b =
C. b =
D. b =
Mathematics
For the given functions f(x) and g(x), find f(x) ? g(x).f(x) = x3 - 4x2 + 2x + 7, g(x) = -5x3
A. -5x6 + 20x5 - 10x4 - 35x3 B. -5x6 - 20x5 + 10x4 + 35x3 C. -5x9 + 20x6 - 10x4 - 35x3 D. -5x9 - 20x6 + 10x4 + 35x3
Mathematics