What does the circuit symbol in the figure mean?
?
?
A. OR-gate
B. Switch
C. Battery
D. AND-gate
E. NOT-gate
Answer: D
Mathematics
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Solve the system using Cramer's rule and a graphing calculator. (Round to two decimal places.)5.27x - 0.53y = 1-5.83x - 9.51y = 6
A. {(-0.12, 0.70)} B. {(0.70, 0.12)} C. {(-0.70, 0.12)} D. {(0.12, -0.70)}
Mathematics
Determine the quadrant containing ?.csc ? < 0 and cos ? > 0
A. I B. II C. III D. IV
Mathematics
Find the LCM of the set of numbers.20, 30
A. 60 B. 30 C. 50 D. 600
Mathematics
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 8x + 3;
Find the function g ? f.
A. 8x + 21
B. x + 6
C. x - 
D. x
Mathematics