Suppose the annual sales S of a new product is given by 
where t is time in years. Find the exact time when the annual sales are increasing at the greatest rate. Round your answer to three decimal places.
?
A. 
years
B. 
years
C. 
years
D. 
years
E. 
years
Answer: A
Mathematics
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Clear fractions then solve by substitution. 
x + y = 
+ 2y 5x - 4 + 
= -3 + 6x
A. 
B. ?
C. 
D. 
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Evaluate the requested trigonometric function using the information given. sin ? = - 
; 3?/2 < ? < 2?Find csc ?.
A. - 
B. 
C. - 
D. 
Mathematics
Provide an appropriate response.Find the area of a sector of a circle with a radius of 4 inches and a central angle of 45° (round to hundredths).
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the inequality. Express your answer using interval notation.|5x - 1| ? 5
A. [- 
, 
]
B. (- 
, 
)
C. (-?, - 
] or [
, ?)
D. (-?, - 
) or (
, ?)
Mathematics