Solve the problem.If f(x) = int(2x), find f(-1.8).
A. -2
B. -3
C. -4
D. -1
Answer: C
Mathematics
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Solve the system by the addition method, if possible.
?
?
A. (12, -3) B. (4, 8) C. (-4, -8) D. (-4, 13) E. no solutions
Mathematics
Write the equation of the function g(x) that is transformed from the given function f(x), and whose graph is shown.f(x) = 
A. y = 
- 3
B. y = 
C. y = 
+ 2
D. y = 
Mathematics
Find the GCF for the list.104x2, 52x9
A. 26x7 B. 78x7 C. 52x2 D. 104x2
Mathematics
Solve the problem.A circular oil slick spreads so that as its radius changes, its area changes. Both the radius r and the area A change with respect to time. If dr/dt is found to be 2.3 m/hr, find dA/dt when r = 34.5 m. Hint: 
and, using the Chain Rule, 
= 
? 
.
A. 317.4? m2/hr B. 158.7? m2/hr C. 79.35? m2/hr D. 39.675? m2/hr
Mathematics