Solve the problem.The point at which a company's costs equals its revenue is the break-even. C represents cost, in dollars, of x units of a product. R represents the revenue, in dollars, for the sale of x units. Find the number of units that must be produced and sold in order to break even. C = 15x + 12,000R = 18x - 6000
A. 12,000
B. 800
C. 6000
D. 545
Answer: C
Mathematics
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Solve the problem.The time T in seconds for a pendulum of length L feet to make one swing is given by 
How long is a pendulum (to nearest hundredth) if it makes one swing in 1.2 seconds? Use 3.14 for ?.
A. 6.88 ft B. 1.1 ft C. 43.2 ft D. 10.8 ft
Mathematics
Provide an appropriate response.True or false, for the graph of y = log8x, the slope of the tangent line at any x is equal to the reciprocal of x.
A. True B. False
Mathematics
Graph the polynomial function. f(x) = x4 - 3x3 - x2 + 3
A. 
B. 
C. 
D. 
Mathematics
Solve for the indicated variable.Solve r = 
for ?.
A. ? = 
B. ? = 2Ar2
C. ? = 
D. ? = 
Mathematics