Add and, if possible, simplify.- 
+ 
A. 
B. - 
C. 
D. - 
Answer: D
Mathematics
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Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by y = 
. What is the cost per ton for x = 200?
A. $100,000.00 B. $487.50 C. $61,904.76 D. $309.52
Mathematics
Find the equation of the tangent line to the curve when x has the given value.f(x) = x - 
; x = 1
A. y = 
+ 1
B. y = -7x + 28
C. y = -7x - 9
D. y = 
- 
Mathematics
Find all points where the function is discontinuous.
A. x = 2 B. x = 4, x = 2 C. x = 4 D. None
Mathematics
Determine whether the following is a perfect-square trinomial.x2 - 6xy + 9y2
A. Yes B. No
Mathematics