A geometric sequence is given. Find the common ratio and write out the first four terms.
A. an = 6 
n-1
r = 
; 6, 
, 
, 
, ...
B. an = 6 ? (2)n-1
r = 2; 6, 12, 24, 48, ...
C. an = 
(6)n-1
r = 
; 6, 12, 24, 48, ...
D. an = 6 
n-1
r = 
; 6, 3, 
, 
, ...
Answer: D
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Find the transform of the given function by use of a table.f 
= 2t sin (-4t) + e4t cos (t)
A. F 
= 
+ 
B. F 
= 
+ 
C. F 
= 
+ 
D. F 
= 
+ 
What is the locus of the midpoints of the radii of 
whose radius measures 4 inches?
What will be an ideal response?
Solve.Your bank pays an interest rate r compounded semiannually on all account balances. If you wanted the balance in an account to be $2000 at the end of one year, you would need to have a current balance of 
dollars. Simplify this expression.
A. 
dollars
B. 
dollars
C. 
dollars
D. 
dollars
Graph the solution of the inequality on a number line.x > -2
A. 
B. 
C. 
D. 