Use a graphing calculator to solve the given equations to the nearest 0.01.x3 + x2 - 7x - 7 = 0
A. 1, 2.65j, -2.65j
B. 1, 3.5, -3.5
C. -1, 2.65, -2.65
D. 1, 2.65, -2.65
Answer: C
Mathematics
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Answer the question.Which one of the following methods cannot be used to solve the equation 
A. All of the methods can be used. B. Factoring C. Completing the square D. Quadratic formula
Mathematics
Convert the improper fraction to a mixed number.
A. 74
B. 74
C. 
D. 10
Mathematics
Find the equation of the tangent line to the curve when x has the given value.f(x) = 5x2 + x; x = -4
A. y = 
+ 
B. y = - 
+ 
C. y = 13x - 16
D. y = -39x - 80
Mathematics
Solve the problem.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: M(x) = 7x - x2. What rainfall produces the maximum number of mosquitoes?
A. 3.5 in. B. 7 in. C. 49 in. D. 0 in.
Mathematics