Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
Answer: C
Mathematics
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Solve the system by graphing. 4x + y = -5 4x + 2y = -2
A. {(-1, -1)} B. {(2, 3)} C. {(-2, -3)} D. {(-2, 3)}
Mathematics
For the pair of supply and demand equations, where x represents the quantity demanded in thousands of units and p the unit price in dollars, find the equilibrium quantity and the equilibrium price.
?
and 
?
xb = __________ units
?
pb = $ __________
What will be an ideal response?
Mathematics
The graph of a quadratic function is given. Choose the function's equation.
A. f(x) = (x - 3)2 + 3 B. f(x) = (x + 3)2 + 3 C. f(x) = (x + 3)2 - 3 D. f(x) = (x - 3)2 - 3
Mathematics
Find the requested composition of functions.Given f(x) = 6x + 7 and g(x) = 3x - 1, find f?g(x).
A. 18x + 1 B. 18x + 20 C. 18x + 6 D. 18x + 13
Mathematics