What does the circuit symbol in the figure mean?
A. NOT-gate
B. OR-gate
C. AND-gate
Answer: A
Mathematics
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Find the point(s) at which the given function equals its average value on the given interval.f(x) = 4 - x2; [-3, 6]
A. ±2
B. ±3
C. ±
D. 
Mathematics
Find an equation of the line that contains the points listed in the table.
A. y = x - 10 B. y = -5x C. y = 5 - x D. y = x - 5
Mathematics
Solve the problem.A boat goes 160 miles downstream in the same time it can go 120 miles upstream. The speed of the current is 8 miles per hour. Find the speed of the boat in still water.
A. 28 mph B. 56 mph C. 48 mph D. 64 mph
Mathematics
Solve the logarithmic equation.log x = -4
A. 0.0001 B. -40 C. -0.4 D. -4
Mathematics