Find the value of the specified finite sum.Given 
= -2 and
= 10, find 
.
A. 20
B. -8
C. 8
D. -20
Answer: C
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Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log8
A. 
log813 - log87
B. log87 - log8
C. log4
- log47
D. log8
+ log87
By making a table of both the left and right sides of the equation, conjecture if the equation represents an identity. sin2 ? + cot2 ? + cos2 ? = sec2 ?
A. Yes B. No
Solve the problem.Frank can type a report in 8 hours. James takes 5 hours to type it. How long will it take the two of them typing together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.7 ln(x - 4) - 2 ln x
A. ln x2(x - 4)7
B. ln 
C. ln 
D. ln 14x(x - 4)