Provide an appropriate response.
is the formula to find time.
A. 
B. 
C. 
D. 
Answer: C
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln 2x2
A. 
B. 
C. 
D. 
Solve the problem. Round your answer, if appropriate.A man 6 ft tall walks at a rate of 4 ft/sec away from a lamppost that is 18 ft high. At what rate is the length of his shadow changing when he is 75 ft away from the lamppost? (Do not round your answer)
A. 
ft/sec
B. 1 ft/sec
C. 2 ft/sec
D. 50 ft/sec
Evaluate the exponential function at the specified value of x.f(x) = 2x, x = -5
A. 10
B. -3
C. 
D. 
Solve the problem.Ron and Kathy are ticket-sellers at their class play, Ron handling student tickets that sell for $1.00 each and Kathy selling adult tickets for $6.50 each. If their total income for 24 tickets was $112.00, how many did Ron sell?
A. 21 tickets B. 16 tickets C. 10 tickets D. 8 tickets