Solve. Round your answer to three decimal places if necessary.45 - 3x = 
A. 3
B. -3
C. 
D. 128
Answer: A
Mathematics
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Find the derivative of y.y = sinh2 5x
A. 2 sinh 5x cosh 5x B. 10 sinh 5x cosh 5x C. 10 cosh 5x D. 2 cosh 5x
Mathematics
Solve using Cramer's Rule.Jerry has 3 pieces of string. The total length is 102 inches. The sum of the two longer pieces is 83. The middle piece is twice as long as the shortest piece. What are the lengths of the 3 pieces?
A. 19, 45, and 55 inches B. 19, 38, and 45 inches C. 9.5, 19, and 73.5 inches D. No solution
Mathematics
Find the composition. If f(x) = 7x2 + 5x and g(x) = 3x, find (f ? g)(x)
A. 21x3 + 15x2 B. 63x2 + 15x C. 7x2 + 8 D. 21x2 + 15x
Mathematics
Solve the equation.4[3x + 1 - 2(x + 1)] = -3x + 4
A. 
B. 
C. 
D. 
Mathematics