Find the derivative of the function.y = cos e-5x
A. 
= e-5x cos e-5x
B. 
= 5e-5xsin e-5x
C. 
= 5 sin e-5x
D. 
= -5e-5x sin e-5x
Answer: B
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Use l'H
pital's rule to find the limit.
x sin 
A. 0
B. 9
C. 
D. 1
Plot the given points and sketch the line that passes through them.(-5, 0) and (0, 5)
A. 
B. 
C. 
D. 
Provide an appropriate response.Solve using a system of equations with two unknowns:A drafting company charges different prices for preliminary and detailed blueprints of houses. One week they completed 5 preliminary drawings and 8 detailed ones and earned $9,500. The second week they completed 6 preliminaries and 10 detailed and earned $11,800. How much did they charge for each preliminary and each detailed blueprint?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.U. S. Census Bureau data shows that the number of families in the United States (in millions) in year x is given by h(x) = 51.42 + 15.473 ? log x , where x = 0 is 1980. How many families were there in 2002?
A. 48 million B. 21 million C. 72 million D. 90 million