Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in quadrant II. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant III.f(2?)
A. - 
B. 
C. 
D. - 
Answer: C
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Solve the problem.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. 8 thousand units
B. 7 thousand units
C. 24
thousand units
D. 19 thousand units
Use Cramer's rule to solve the system or to determine that the system is inconsistent or contains dependent equations.
A. {(9, 4)} B. inconsistent; no solution or ? C. dependent equations; infinitely many solutions D. {(4, 9)}
Describe the solution set as an inequality and in interval notation. |x| < -11
A. -11 < x < 11; (-11, 11) B. -11 C. empty set D. the set of real numbers; (-?, ?)
Solve the problem.A painter needs to cover a triangular region 63 meters by 66 meters by 71 meters. A can of paint covers 70 square meters. How many cans will be needed?
A. 311 cans B. 3 cans C. 14 cans D. 28 cans