Find the average value of the function f over the region R.f(x, y) = 6x + 10yR: 0 ? x ? 3, 0 ? y ? 8
A. 9
B. 14
C. 13
D. 49
Answer: D
Mathematics
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Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The value V, in dollars, of a shopkeeper's inventory software program is given by the formula 
where t is the number of years since the shopkeeper first bought the program. Find the number of years after which the value of the inventory program is $280 by solving the equation 
graphically, using the following graph. 
A. 9 years B. 6 years C. 10 years D. 550 years
Mathematics
Solve.x2 + y2 + 12y = 0x2 + y2 = 7x
A. (1,0) 
B. (0,0) 
C. (0,1) 
D. (1, -1) 
Mathematics
Write the first four terms of the sequence whose general term is given.an = 
n
A. 1, 
, 
, 
B. 
, 
, 
, 
C. 1, 
, 
, 
D. 
, 
, 
, 
Mathematics