Find the indicated partial sum for the sequence.81, 243, 729, 2187, . . .; S4
A. 9801
B. - 
C. 3240
D. 2187
Answer: C
Mathematics
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Answer the question.Is f continuous at f(0)? 
A. No B. Yes
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Use properties of exponents to simplify the expression. Express answer in exponential form.
A. 4-2 B. 4-15 C. 42 D. -48
Mathematics
Find the exact value. Do not use a calculator.cot 570°
A. 
B. - 
C. - 
D. 
Mathematics
Convert the first rational expression into an equivalent one that has the indicated denominator.
, 
A. 
B. 
C. 
D. 
Mathematics