Use the given values of a and b and express the given limit as a definite integral.
?xk, a = 4, b = 5
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Answer: C
Mathematics
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A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 2, an+1 = 
A. 2, - 
, -2, 
, 2
B. -2, 
, 2, - 
, -2
C. 2, - 
, 2, - 
, 2
D. 2, 
, -2, - 
, 2
Mathematics
Find a formula for the nth term of the sequence.7, -7, 7, -7, 7 (7's with alternating signs)
A. an = 7(-1)n+1 B. an = 7(-1)2n-1 C. an = 7(-1)2n+1 D. an = 7(-1)n
Mathematics
Provide an appropriate response.Determine: 
What will be an ideal response?
Mathematics
Write the number in scientific notation.819,000
A. 8.2 × 10-5 B. 8.2 × 105 C. 8.2 × 104 D. 8.2 × 10-4
Mathematics