Solve the problem.For the period 2011 - 2017, if M is the average math SAT score (in points) for a certain year, then the average verbal SAT score (in points) for that year is approximately 
where t is the number of years since 2011. The average math SAT score was 485 points in 2014. Estimate the average verbal SAT score in2014.
A. 499 points
B. 494 points
C. 509 points
D. 504 points
Answer: A
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Solve using the multiplication principle.
= 20
A. -140 B. -160 C. -152 D. -28
Solve.A collection of dimes is arranged in a triangular array with 18 coins in the base row, 17 in the next, 16 in the next, and so forth with 1 dime in the last row. Find the value of the collection.
A. $8.55 B. $1.71 C. $34.20 D. $17.10
The sequence is defined recursively. Write the first four terms.a1 = 
; an = 
A. a1 = 
, a2 = 
, a3 = 
, a4 = 
B. a1 = 
, a2 = 
, a3 = 
, a4 = 
C. a1 = 
, a2 = 3, a3 = 3
, a4 = 9
D. a1 = 
, a2 = 3
, a3 = 9
, a4 = 27
The rate of change in sales S (in thousands of units) of a new product is proportional to the difference between L and S at any time t (in years), where ?L is the maximum number of units of the new product available. When 
, 
. Write and solve the differential equation for this sales model.
?
A. ?
B. ?
C. 
D. ?
E. 