Rewrite the expressions with rational exponents as radical expressions, and then solve the equation.(10 - 9z)1/3 - (5 + 7z)1/3 = 0
A. 
B. ?
C. 
D. 
Answer: D
Mathematics
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Verify that each equation is an identity.cos(4u) = 2 cos2(2u) - 1
What will be an ideal response?
Mathematics
Rewrite as a single logarithm. Assume all variables represent positive real numbers.4 log4(4x + 2) + 3 log4(5x + 3)
A. log4((4x + 2)4 + (5x + 3)3)
B. 12 log4(4x + 2)(5x + 3)
C. log4((4x + 2)4(5x + 3)3)
D. log4
Mathematics
Find an equation for the graph.
A. y = 2 sin 
B. y = 3 sin 
C. y = 3 sin (2?x)
D. y = 2 sin (3?x)
Mathematics
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.9(x - 1) = 27
A. 2.386 B. 2.500 C. 1.667 D. 4.000
Mathematics