Find the value of the algebraic expression at the given replacement value.-x2 - 6y
when x = -2, y = -4
A. 16
B. 20
C. -28
D. -20
Answer: B
Mathematics
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Compute the values of f(x) and use them to determine the indicated limit.If f(x) = 
, find 
f(x). 
A. 
; limit = ?
B. 
; limit = 5.10
C. 
; limit = 1.210
D. 
; limit = 4.0
Mathematics
For the supply equation 
, where x is the quantity supplied in units of a thousand and p is the unit price in dollars, determine the price at which the supplier will make 2 units of the commodity available in the market.
?
A. p = $4 B. p = $88 C. p = $90 D. p = $44 E. p = $50
Mathematics
Divide and simplify.
A. -3x3y3 - 5xy + 4 B. -3x3y3 - 5xy3 + 4 C. -15x3y3 - 25xy + 20 D. -3x3y5 - 5x3y2 + 4
Mathematics
Perform the indicated operations.
A. - 
B. - 
C. - 
D. 
Mathematics