Solve the problem.A biologist recorded 3 snakes on 16 acres in one area and 8 snakes on 28 acres in another area. Let y be the number of snakes in x acres. Write a linear equation for the number of snakes.
A. y = 
x - 
B. y = 
x + 
C. y = 
x + 
D. y = - 
x + 
Answer: A
Mathematics
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Find the second derivative.y = 
- 9
A. 19x
B. 
x2
C. 
x
D. 19x - 9
Mathematics
Solve the problem.Find a curve through the point (0, 3) whose length integral, 0 ? x ? 1, is L = 
A. y = x B. y = x2 + 3 C. y = x2 D. y = 2x + 3
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Provide an appropriate response.Find the special product: (x + 7)(x - 7)
A. x2 + 49 B. x2 - 49 C. x2 + 14 D. x2 - 14x + 49
Mathematics
Provide an appropriate response.Solve, checking for extraneous roots: 
+ 
= 1
A. x = 0, x = -3
B. x = 1, x = 2
C. x = 
D. x = -
Mathematics