Solve.The sales of a new product (in items per month) can be approximated by 
, where t represents the number of months after the item first becomes available. Find the number of items sold per month 3 months after the item first becomes available.
A. 775 items per month
B. 8375 items per month
C. 4375 items per month
D. 1175 items per month
Answer: A
Mathematics
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Find the gradient field F of the function f.f(x, y, z) = 
7
A. F = 7
6i + 
j + 7
k
B. F = 7
6i + 
j - 7
k
C. F = 7
6i + 
j + 7
k
D. F = 
i + 
j - 7
k
Mathematics
A hospital has noted that, on average, there are 35 emergency room visits per month in which a child is the patient. The average number of visits is an example of _____.
a. statistical inference. b. a sample. c. a descriptive statistic. d. a population.
Mathematics
Is the algebraic expression a polynomial? If it is, write the polynomial in standard form.x2 + x4 - x3 - 3
A. Yes; x4 - x3 + x2 - 3 B. No
Mathematics
Decide if the statement is true or false.
< 
A. False B. True
Mathematics