Solve the problem.A particular substance decays in such a way that it loses half its weight each day. How much of the substance is left after 7 days if it starts out at 16 grams?
A. 
g
B. 4 g
C. 
g
D. 8 g
Answer: A
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Solve the problem.Shown is the image of a figure under the two successive translations that take P to P' and then P' to P''. Find the original figure. Note again, the given figure is the image after translation. Hint: First find the final image of a point if it were translated by both translations. Then what happens in the reverse process?
A. 
B. 
C. 
D. 
Find the domain and range of the inverse of the given function.f(x) = 
A. Domain: 
? 
Range: 
? 
B. Domain: 
? 
Range: 
? 
C. Domain: 
? 
Range: 
? 
D. Domain: 
? 
Range: 
? 
Expand the expression using the Binomial Theorem.(g - 2h)3
A. g3 - 6g2h + 12gh2 - 8h3 B. g3 - 6h2g + 12hg2 - 8h3 C. g3 - 8h3 D. g3 - 3g2h + 6gh2 - 2h3
Find the sum Sn of the first n terms of the geometric sequence. -8, -16, -32, -64, -128, . . . ; n = 9
A. -4108 B. -4086 C. -4051 D. -4088