Find the derivative of the function at the given point in the direction of A.
A. 
B. 4
C. 
D. 
Answer: A
Mathematics
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Show that the given shape will tile the plane. There may be more than one correct answer. If the figure does not tile the plane, state this.
What will be an ideal response?
Mathematics
Solve the problem.In economics, functions that involve revenue, cost and profit are used. Suppose R(x) and C(x) denote the total revenue and the total cost, respectively, of producing a new high-tech widget. The difference 
represents the total profit for producing x widgets. Given R(x) = 60x - 0.4 x2 and 
find the equation for P(x).
A. P(x) = -0.4 x2 + 63x + 13 B. P(x) = 3x + 13 C. P(x) = -0.4 x2 + 57x - 13 D. P(x) = 60x - 0.4 x2
Mathematics
Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Mathematics
Simplify the radical.
A. 8
B. 20
C. 4
D. 5
Mathematics