Determine whether the statement is true or false.In the simplex method, a basic variable is a variable which has a coefficient of 1 and which occurs in only one equation.
A. True
B. False
Answer: A
Mathematics
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Verify that the equation is an identity.sin
= cos x
What will be an ideal response?
Mathematics
Factor the polynomial as a perfect square or state that it is irreducible.x2 - 12x + 144
A. (x + 12)(x - 12) B. (x - 12)2 C. irreducible D. (x + 12)2
Mathematics
Simplify. Assume that all variables represent positive real numbers.
A. x15y5z10 
B. x3yz2 
C. xyz 
D. x3yz2 
Mathematics
Graph f(x). State the domain, range, and horizontal asymptote of the function.f(x) = 3x - 4 + 1
A. Domain: (-?, ?), range: (- 1, ?)
Horizontal asymptote: y = - 1
B. Domain: (-?, ?), range: (- 1, ?)
Horizontal asymptote: y = - 1
C. Domain: (-?, ?), range: (1, ?)
Horizontal asymptote: y = 1
D. Domain: (-?, ?), range: (1, ?)
Horizontal asymptote: y = 1
Mathematics