Provide an appropriate response.Suppose that we are using substitution to find an antiderivative. If, after making the substitution, we find that there is still an x-term left in the integrand, what should we do?
A. Go back to the equation relating x and u, solve for x, and substitute in the integrand.
B. Use an alternative method, because substitution will never give the antiderivative.
C. This would never happen if we made the correct substitution.
D. None of the above
Answer: A
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A. 62.7°F B. 126.7°F C. 61.2°F D. -2.8°F
Solve the problem.A communication satellite is orbiting far above Earth, as shown in the figure. If the radius of Earth is 
miles and the angle at S is 
how far is the satellite from the surface of the earth (closest to the equator)? Round your answer to the nearest mile. 
A. 19,204 mi B. 18,792 mi C. 14,832 mi D. 15,244 mi
Find the LCD for the set of fractions.
, 
A. 2 B. 24 C. 48 D. 14
Write the numerator and denominator of the fraction as a product of prime factors. Then use the prime factorization to write the fraction in lowest terms.
A. 
= 
B. 
= 
C. 
= 
D. 
already in lowest terms