Solve the problem.A manufacturer's cost is given by C = 200n1/3 + 1500, where C is the cost in dollars and n is the number of parts produced. Find the cost when 216 parts are produced.
A. $2100
B. $4440
C. $2700
D. $33
Answer: C
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Find an equation of variation in which the following are true.y varies jointly as x and the square of z, and y = 2 when x = 5 and z = 4
A. y = xz2
B. y =
C. y = xz2
D. y = xz
Solve the problem.After introducing an inhibitor into a culture of luminescent bacteria, a scientist monitors the luminosity produced by the culture. Use a graphing utility to fit a logarithmic function to the data. Round values to the nearest hundredth. Then, use the function to predict the luminosity, to the nearest hundredth, after 20 hours.
A. y = 100.5 - 32.7 ln x; 2.54 B. y = 98.75 - 32.66 ln x; 0.91 C. y = 107.55 - 41 ln x; -15.27 D. y = 112.97 - 45.97 ln x; -24.74
Write the expression in lowest terms.
A. -
B. -1
C.
D. 1
Write the inequality using interval notation, and illustrate the inequality using the real number line.-3 ? x ? 1
A. [-3, 1]
B. (-3, 1]
C. [-3, 1]
D. (-3, 1)