Determine whether f is a geometric sequence.
A. Yes
B. No
Answer: A
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The following table shows the value V, in dollars, of a stamp collection after t years. t 0 1 2 3 V $323.00 $345.61 $369.80 $395.69? A: Make a table of successive ratios to show that the value of the stamp collection can be modeled by an exponential function. Round your answer to two decimal places.B: Find an exponential model for the data. Round your answer to two decimal places.C: Plot the graph of the data points along with the exponential model. Include up to 10 years.D: According to the model, what is the percentage increase in the value of the collection over a 4.00-year period? Round your answer to two decimal places.
What will be an ideal response?
Solve the problem.A circle with a radius r contains a triangle whose base passes through the center of the circle and whose height is r. Express the shaded area in terms of r and ? as a completely factored polynomial.
A. ?(r + 1)2 B. r2(? - 1) C. ?(r - 1)2 D. r2(? + 1)
Simplify the expression. Assume that all variables are positive when they appear.
- 
+ 
A. 8x
- 3
B. 9
- 
C. 9x
- 3
D. 9x
- 3
Use the Zero Exponent Rule to simplify. All variables are nonzero.
0
A. 0
B. 2
C. 
D. 1