The graph of a piecewise-defined function is given. Write a definition for the function. 
A. 
B. 
C. 
D. 
Answer: A
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Find the derivative.y = 2x-7 - 2x-6
A. -14x-8 - 12x-7 B. -14x-6 + 12x-5 C. 2x-6 - 2x-5 D. -14x-8 + 12x-7
Solve the problem.The surface area of a right circular cylinder is given by 2?rh + 2?r2 where h is its height and r is the radius of the circular base. The surface area of a right circular cone having the same base radius, r, is given by ?rs + ?r2 where s is its slant height. Write the ratio of the surface area of the cylinder to the surface area of the cone in simplest form.
A. 
B. 
C. 
D. 
Graph the sinusoidal function.y = -2 sin (
x)
A. 
B. 
C. 
D. 
Without solving for the undetermined coefficients, the correct form of a particular solution of the differential equation 
is
Select the correct answer.
?
A. 
B. 
C. 
D. 
E. 