Find the equation for the level surface of the function through the given point.f(x, y, z) = e(x2 + y2 - z), (5, 2, 10)
A. x2 + y2 - z = e19
B. ln(x2 + y2 - z) = 19
C. x2 + y2 - z = ln(19)
D. e(x2 + y2 - z) = ln(19)
Answer: C
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Use the Runge-Kutta method to find y-values of the solution for the given values of x and ?x, if the curve of the solution passes through the given point.
= x + sin y; x = 0 to 0.3; ?x = 0.1; (0, 1)
A. 
B. 
C. 
D. 
Find the LCM of each group of expressions.60, 80, 70
A. 560 B. 240 C. 840 D. 1680
Solve the problem.
Karen is driving a delivery truck on a straight road. The graph shows the distance y in kilometers that Karen is from Store A after x hours. (i) Find the slope-intercept form of the equation of the line. (ii) Use the graph to estimate the y-coordinate of the point 
that lies on the line.
A. y = 5x + 60; (6, 90) B. y = -5x + 60; (6, 30) C. y = 5x - 60; (6, -30) D. y = -10x + 60; (6, 0)
Evaluate the integral. 
