For the given function, determine the amplitude and find the phase shift.-2 sin x - 2
cos xGive the phase shift in radians in exact form.
A. 2, 
B. 4, - 
C. 4, - 
D. 4, 
Answer: C
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Solve the problem.A bathroom scale is compressed 
in. when a 190 lb person stands on it. Assuming that the scale behaves like a spring that obeys Hooke's law, how much does someone who compresses the scale 
in. weigh?
A. 47.5 lb B. 95 lb C. 142.5 lb D. 380 lb
Solve the problem.A grocery store estimates that the revenue (in dollars) from the sale of x cases of condensed soup is given by 
Use the differential to approximate the change in revenue from the sale of one more case of soup when 1300 cases are sold.
A. $5.34 B. $7.42 C. $3946.00 D. -$7.42
Identify and graph the polar equation.r = 6 - cos ?
A. limacon with no inner loop and no dimple
B. limacon with inner loop
C. limacon with no inner loop and no dimple
D. limacon with inner loop
Find the vertical asymptotes of the rational function.f(x) = 
A. x = 
, x = -1
B. x = - 
, x = 1
C. x = - 
, x = 1
D. x = 
, x = -1