Use a graphing calculator to graph the piecewise-defined function, using the window indicated.f(x) = 
; window [-10, 5] by [-10, 10]
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate the expression using the given values.
; x = 5, y = 5, and z = -5.
A. - 
B. - 5
C. 5
D. 
Mathematics
Solve the problem.The logistic growth model 
represents the population of a species introduced into a new territory after t years. What will the population be in 30 years?
A. 105 B. 1804 C. 110 D. 104
Mathematics
Solve the problem.Two forces, F1 and F2, of magnitude 60 and 70 pounds, respectively, act on an object. The direction of F1 is 
and the direction of F2 is 
. Find the magnitude and the direction angle of the resultant force. Express the direction angle to the nearest tenth of a degree.
A. 
= 92.20; ? = 80°
B. 
= 94.63; ? = 87.2°
C. 
= 92.20; ? = 89.4°
D. 
= 99.37; ? = 93.7°
Mathematics
Find the product.3(-1)(5)(-10)
A. 53 B. -150 C. 8 D. 150
Mathematics