Simplify the expression. Write the answer with positive exponents only. Assume that all variables represent positive real numbers.
2
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Which of the following is not a condition for applying the integral test to the sequence {an}, where 
I. f(x) is everywhere positive II. f(x) is decreasing for x ? N III. f(x) is continuous for x ? N
A. All of these are conditions for applying the integral test. B. I only C. II only D. III only
Mathematics
Express as a single logarithm and, if possible, simplify.logb 7x + 8(logb x - logb y)
A. logb 
B. logb 
C. 
D. logb (7x + x8 - y8)
Mathematics
Graph the function.y = log4 x
A. 
B. 
C. 
D. 
Mathematics
Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 + 20x
A. 0; 
2
B. 400; 
2
C. 100; 
2
D. 100; 
2
Mathematics