Solve the equation.8x - 15 = 3x - 40
A. {-5}
B. {8}
C. {-8}
D. {5}
Answer: A
Mathematics
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Solve.A sphere has a radius of 3 in. If the radius is decreased by x in., express the volume of the sphere as a function of x. What is the domain of V = f(x)?
A. V = 
?(x - 3)3: 0 ? x ? 3
B. V = 
?(3 - x)3: x ? 3
C. V = 
?(3 - x)3: 0 ? x < 3
D. V = 
?(3 - x)3: 0 < x < 3
Mathematics
Provide an appropriate response.Solve the system of equations by graphing:2x - y = 5-4x + 2y = 8
A.
B. 
C. 
D. 
Mathematics
Find all real numbers that satisfy the equation.tan 4x = 0
A. 
B. 
C. {x 
x = 2k?}
D. {x 
x = k?}
Mathematics
Determine whether the equation is a function.y = 3x2 - 2x + 6
A. function B. not a function
Mathematics