Solve the problem.Find an equation for the tangent to the curve y = 
at the point (1, 6).
A. y = -2x + 8
B. y = 4x + 2
C. y = -4
D. y = -4x + 10
Answer: D
Mathematics
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Complete the factored form. 7x2 - 10x - 8 = (7x + 4)_______
A. (x - 2) B. (7x - 4) C. (7x + 2) D. (x + 2)
Mathematics
Let 
denote sales when a dollars are spent on advertising. We find that s has reached its maximum value. What is the value of 
?
???
A. is positive.
B. is negative.
C. is 0.
D. The value of cannot be determined.
Mathematics
Solve for the indicated variable.
+ 
= 
, for c
A. c = ab(a + b)
B. c = a + b
C. c = 
D. c = 
Mathematics
Write the improper fraction as a mixed or whole number.
A. 2
B. 2
C. 3
D. 1
Mathematics