Use the graph to obtain the graph of the reciprocal function. Give the equation of the function for the graph that you obtain.y = - 2 cos 
x
A. y = - 2 csc 
x
B. y = 2 sec 
x
C. y = - 2 sin 
x
D. y = - 2 sec 
x
Answer: D
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Find 
by using logarithmic differentiation.y = 
A. 
B. 
C. 
D. - 
x(1 - 7x)2/3
Find the extreme values of the function subject to the given constraint.
A. Maximum: 18 at 
minimum: -18 at 
B. Maximum: 4 at 
minimum: -4 at 
C. Maximum: 18 at 
minimum: -18 at 
D. Maximum: 4 at 
minimum: -4 at 
Find the values of a, b, and c for which the quadratic equation ax2 + bx + c = 0 has the given numbers as solutions. Then use those values to write a quadratic equation.8, 5
A. x2 + 40x + 13 = 0 B. x2 + 40x - 13 = 0 C. x2 - 13x + 40 = 0 D. x2 + 13x + 40 = 0
Provide an appropriate response.Markup is also referred to as:
A. price differential B. both gross profit and gross margin C. gross profit D. gross margin