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) = 14x + 16,800R(x) = 26x
A. 1401 units
B. 443 units
C. 1402 units
D. 1400 units
Answer: D
Mathematics
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Determine whether the given function satisfies Laplace's equation.f(x, y) = cos (x) sin (-y)
A. Yes B. No
Mathematics
Solve the problem.If Gloria received a 4 percent raise and is now making $21,840 a year, what was her salary before the raise? Round to the nearest dollar if necessary.
A. $19,840 B. $21,000 C. $22,000 D. $20,966
Mathematics
Graph the function.f(x) = e1 - x
A. 
B. 
C. 
D. 
Mathematics
Find the slope and the y-intercept of the given line.y = - 
x + 5
A. - 
; (0, -5)
B. - 
; (0, 5)
C. 
; (0, 5)
D. 
; (0, -5)
Mathematics