Find the domain of the logarithmic function.f(x) = log3(x2 + 8x + 16)
A. (-?, 0) ? (0, ?)
B. (4, ?)
C. (-?, -4) ? (-4, ?)
D. (-4, ?)
Answer: C
Mathematics
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Write the expression as the logarithm of a single quantity.ln (x + 10) - 2 ln x
A. ln 
B. ln [x2(x + 10)]
C. ln [(x + 10) - x2]
D. ln 
Mathematics
Find the product. Write your answer in simplest form.2
? 4
A. 1
B. 11
C. 3
D. 
Mathematics
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = (x + 4)2(x - 1)
A. -4, multiplicity 2; 1, multiplicity 1 B. -4, multiplicity 1; 1, multiplicity 2 C. -4, multiplicity 1; 1, multiplicity 1 D. 4, multiplicity 2; 1, multiplicity 1
Mathematics
Write the matrix equation as a system of linear equations without matrices.
= 
A. 7x + 3y = 11 13x + 4y = 19 B. 7x + 3y = -11 4x + 13y = -19 C. 7x + 3y = 11 4x + 13y = 19 D. 3x + 7y = 11 4x + 13y = 19
Mathematics