Use the unit circle to find the value of the trigonometric function.tan 
A. 
B. 
C. 
D. 2
Answer: C
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Graph the system of linear inequalities.2x + y ? 4 and x - 1 > 0
A. 
B. 
C. 
D. 
The price of a certain commodity in dollars per unit at time t (measured in weeks) is given by
?
.
?
What is the price of the commodity at t = 0?
?
$__________ / unit
?
How fast is the price of the commodity decreasing at t = 0?
?
$__________ / wk
?
Find the equilibrium price of the commodity. (Hint: It's given by 
. Also, use the fact that 
.)
?
$__________ / unit
What will be an ideal response?
Estimate the sum as indicated. Then answer the question.Estimate the following sum by first rounding to the nearest hundred. Does the estimate give you reason to doubt the stated sum?
A. Estimate: 126,200 ; yes B. Estimate: 122,200 ; yes C. Estimate: 126,200 ; no D. Estimate: 122,200 ; no
Multiply the expression geometrically and symbolically.(x + 3)(x + 2)
What will be an ideal response?