Solve.The function s(t) = -0.027t2 + 1.74t + 15.7 models the average starting salary for police officers in a large U.S. city for the years 1975 through 2000, where t is the number of years since 1975 and s(t) is in thousands of dollars. Graph the function for the years 1975 through 2000.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify. Assume that all variables represent positive real numbers.
A. 3(
- 
)
B. -(
- 
)
C. -3(
+ 
)
D. -3(
- 
)
Mathematics
Determine whether the following is a probability model.
A. Yes B. No
Mathematics
Factor, if possible.6x2 - 18xy - 24y2
A. Prime polynomial B. (6x - 6y)(x + 4y) C. 6(x + y)(x - 4y) D. 6(x - y)(x + 4y)
Mathematics
One of sin x, cos x, and tan x is given. Find the other two if x lies in the specified interval.sin x = - 
,
x in 
A. cos x = - 
, tan x = 
B. cos x = 
, tan x = - 
C. cos x = 
, tan x = 
D. cos x = - 
, tan x = - 
Mathematics