Determine whether the sequence is geometric. If so, find the common ratio.
-3, -6, -12, -24,...
A. -3
B. -2
C. 
D. 2
E. not geometric
Answer: D
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Find the absolute extreme values of the function on the interval.f(x) = tan x, - 
? x ? 
A. absolute maximum is -1 at x = 
; absolute minimum is 
at x = - 
B. absolute maximum is 
at x = 
; absolute minimum is -1 at x = - 
C. absolute maximum is 
at x = 
and - 
; no minimum value
D. absolute maximum is 
at x = 
; absolute minimum is -1 at x = - 
Write an equation for the graph of the sine or cosine curve.
A. y = sin 
B. y = sin 
C. y = sin 
D. y = sin 
Write the expression in the standard form a + bi.(4 + 3i)(4 - 3i)
A. 7 B. 25 C. 16 - 9i2 D. 16 - 9i
Margarite wants to take a trip to Japan in 8 years. She knows she will need about $4,200. How much should she deposit into an account now that pays 3.5% interest compounded daily, in order to meet her goal? Round to the nearest dollar.
A. $1,026 B. $1,706 C. $3,174 D. $3,781