Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0.865
B. 0.4481
C. 0.46
D. 0.4169
Answer: D
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In the circuit below, Vin = 7 V, R = 250 ê, xC = 1000 ê, and C = 90 pF. What are the values of VO and I at f1?
a. VO = 4.95 V, I = 19.8 mA
b. VO = 6.21 V, I = 19.8 mA
c. VO = 7.00 V, I = 19.8 mA
d. VO = 5.55 V, I = 22.2 mA
e. VO = 7.00 V, I = 28.0 mA
Solve the problem.A truck driver started a trip at an average speed of 70 miles per hour. Once snow began to fall, he had to drop his speed to 50 miles per hour. It took him 14.2 hours to reach his destination, which was 804 miles away. How many hours after the driver started did the snow begin to fall?
A. 4.5 hr B. 4.7 hr C. 9.5 hr D. 9.7 hr
Use the given values of the variable to make a vertical table of solutions for the equation.y = 
, x = -3, 3, 5, 7
A. 
B. 
C. 
D. 
Find the product.(x2 + 10)2
A. 100x4 + 20x2 + 100 B. x4 + 20x2 + 100 C. x4 + 100 D. x2 + 20x + 100