Solve the logarithmic equation.ln x - ln (x - 7) = ln 5
A. -2
B. 
C. No solution
D. 
Answer: B
Mathematics
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Perform the matrix operation.Given C = 
and D = 
, find C - 4D.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the statement is true or false.Let A = {1, 3, 5, 7} B = {5, 6, 7, 8} C = {5, 8} D = {2, 5, 8} U = {1, 2, 3, 4, 5, 6, 7, 8}C ? B
A. True B. False
Mathematics
Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: -2, -5, 5; degree 3
A. f(x) = x3 - 25x - 2x2 + 50 B. f(x) = x3 + 25x - 2x2 - 50 C. f(x) = x3 + 25x + 2x2 + 50 D. f(x) = x3 - 25x + 2x2 - 50
Mathematics
Multiply vertically.(7x - 1)(x2 - 2x + 1)
A. 7x3 - 15x2 + 9x - 1 B. 7x3 - 14x2 + 7x + 1 C. 7x3 - 13x2 + 5x - 1 D. 7x3 + 15x2 - 9x + 1
Mathematics