Express as a sum, difference, and product of logarithms, without using exponents.logb 
A. 
logb x - 
logb x + 3logb z
B. 
logb x9 + logb y5 - logb z6
C. 
logb x + 
logb y - 3logb z
D. 
logb x + 5logb y - 6logbz
Answer: C
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Determine whether the statement is true or false.Escott's formula n2 - 79n + 1601 first fails at n = 80.
A. True B. False
An equation of the terminal side of an angle ? in standard position is given along with a restriction on x. Find the indicated trigonometric function value of ?. Do not use a calculator.-8x - 5y = 0, x ? 0; Find cos ?.
A. - 
B. - 
C. 
D. 
Factor by grouping.4m(6 - m) + 7n(6 - m)
A. m(4 + 7n)(6 - 1) B. No common factor (except 1) C. (4m - 7n)(6 - m) D. (4m + 7n)(6 - m)
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log5x7
A. 5log7x B. 7log5x7 C. 7log5x D. 5 log x