Evaluate the factorial expression.
A. 210
B. 10
C. 1
D. 720
Answer: A
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Perform the indicated operations.In an electric circuit the impedance is 2140 - 1350j ohms. Write this in exponential form.
A. 2530e-0.563j B. 1660e-1.01j C. 1660e-0.563j D. 2530e-1.01j
A cyclist rides from DeKalb to Rockford, a distance of 150 miles. His return trip takes 2 hours longer because his speed decreases by 20 miles per hour. How fast does he ride each way? ?
A. 30 mph going and 150 mph returning B. 70 mph going and 50 mph returning C. 50 mph going and 40 mph returning D. 50 mph going and 80 mph returning E. 50 mph going and 30 mph returning
Use a calculator and the change-of-base formula to find the logarithm. Round your answer to four decimal places.
?
?
A. 6.9912 B. 6.9891 C. 6.9876 D. 6.9885 E. 6.9879
Graph the parabola.y = 
(x + 4)2 - 3
A. 
B. 
C. 
D. 