Solve the logarithmic equation.log4 (x + 4) + log4 (x - 4) = 1
A. 20
B. 4
C. 2
D. 
Answer: C
Mathematics
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Find the limit.
A. 
B. 31
C. 19
D. 0
Mathematics
Find the determinant of the given matrix.
A. 2ab B. a2 - b2 C. a2 + b2 D. 0
Mathematics
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(7x - y)2
A. 49x2 + y2 B. 49x2 - 14xy - 2y2 C. 49x2 - 14xy + y2 D. 49x2 - 7xy + y2
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics