Solve the problem.An airplane is cruising at an altitude of 26,400 ft. What is the plane's altitude in miles?
A. 4 mi
B. 10 mi
C. 5 mi
D. 6 mi
Answer: C
Mathematics
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Simplify the expression.z0 + 100
A. z + 10 B. 0 C. 2 D. 11
Mathematics
Find all points where the function is discontinuous.
A. x = -2, x = 0, x = 2 B. x = -2, x = 0 C. x = 2 D. x = 0, x = 2
Mathematics
Use a scientific calculator to approximate the common logarithm. Round to four decimal places.log 3329
A. 8.1104 B. 3.5210 C. 3.5236 D. 3.5223
Mathematics
Solve the problem.The cost C of producing t units is given by C(t) = 3t2 + 7t, and the revenue R generated from selling t units is given by 
For what values of t will there be a profit?
A. t > 8 B. t > 7 C. t > 0 D. t > 6
Mathematics