Provide an appropriate answer.Find 
when r = -2 and s = 5 if w(x, y, z) = xz + y^2, x = 5r + 8, y = r + s, and z = r - s.
A. 
= -35
B. 
= -31
C. 
= 5
D. 
= -23
Answer: B
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A certain population grows according to 
. At a certain time the population is 698 individuals. What can be said about the population at this time?
?
A. The population is increasing. B. The population is decreasing. C. The population has reached a maximum value. D. The population has reached a minimum value.
Solve the problem.A spring on a horizontal surface can be stretched and held 0.5 m from its equilibrium position with a force of 45 N. How much work is done in stretching the spring 2 m from its equilibrium position?
A. 360 J B. 45 J C. 180 J D. 90 J
In 
, the medians are 
, 
, and 
. If RM = 9, SN = 12, and TP = 16, find the distance from the centroid of this triangle to the midpoint of side 
.
A. 4
B. 6
C. 8
D. 10
Solve.The student population of a small school has been increasing as shown in the following table.
Determine the linear, quadratic, or cubic function that best fits the data.
A. f(x) = 5x - 93.33 B. f(x) = x3 - 0.1x2 - 10x + 440 C. f(x) = 0.002x3 - 0.44x2 + 28.19x - 427.30 D. f(x) = 0.1x2 - 10x + 440