Solve the problem.Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even. C(x) = 56x + 900 R(x) = 71x
A. 60 units
B. 11 units
C. 61 units
D. 62 units
Answer: A
Mathematics
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Solve the problem.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: 
What rainfall produces the maximum number of mosquitoes?
A. 8 in. B. 256 in. C. 0 in. D. 16 in.
Mathematics
Prove  figure 1.png)
What will be an ideal response?
Mathematics
Use the discriminant of the equation to determine the number of x-intercepts.f(x) = -x2 - 9x + 5
A. No x-intercepts B. Two x-intercepts C. One x-intercept
Mathematics
Solve.0.05(400 + x) - 0.07x = 0.035(400)
A. {310} B. {290} C. {300} D. {150}
Mathematics