Use identities to find the exact value of the function for the given value.tan ? = 
and ? is in quadrant III; Find cot ?
A.
B. -
C. -
D.
Answer: A
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Compute the gradient of the function at the given point.
A. ?f = 
j - 
k
B. ?f = - 
j - 
k
C. ?f = - 
j + 
k
D. ?f = - 
j - 
k
Solve.A common equation used in business is a demand equation. It expresses the relationship between the unit price of some commodity and the quantity demanded. In the demand equation 
for a certain style of calculator, p is the price per calculator in dollars and x is the quantity demanded in thousands. Find the demand for the calculator if the price is $6 per calculator.
A. 10 thousand units
B. 40
thousand units
C. 9 thousand units
D. 51 thousand units
Write the function as the composition of two functions f and g such that y = f[g(x)]).y = 
A. f(x) = 
, g(x) = 8
B. f(x) = 
, g(x) = 10x + 5
C. f(x) = 
, g(x) = 10x + 5
D. f(x) = 8, g(x) = 
Evaluate x to four significant digits.
log x = 0.954