At what points is the given function continuous?f(x, y) = 
A. All (x, y) such that x ? 0
B. All (x, y)
C. All (x, y) such that x ? 
and x ? -2
D. All (x, y) satisfying x - y ? 0
Answer: C
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Use the statistical display to answer the question.Marriage Licenses Issued
(Each ? represents 20,000 licenses)How many licenses are issued in July?
A. 70,000 B. 7,000 C. 75,000 D. 80,000
The vertex of a parabola occurs where the derivative of its equation is 0, so an equation associated with the equation of a parabola can be solved to find the x-coordinate of the vertex. Find the vertex of the parabola, given the equation of the parabola and its associated equation.Equation of parabola: f(x) = -(7 + 8x + 3x2); associated equation: 0 = -8 - 6x
A. 
B. 
C. 
D. 
Find the exact interest. Use 365 days in a year, and use the exact number of days in a month. Round to the nearest cent, if necessary.$4700 at 7.2% for 139 days
A. $13.07 B. $130.66 C. $12.89 D. $128.87
Graph the piecewise linear function.f(x) = 
A. 
B. 
C. 
D. 