Find a unit vector in the direction of u.
u = 
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Simplify the rate to a unit rate and write the unit rate in words.
A. 
; $15.50 per yard
B. 
; $35.75 per yard
C. 
; $7.50 per yard
D. 
; $46.75 per yard
Mathematics
Find a general expression for the slope of a tangent line to the indicated curve.y = 4x - 4x3
A. 4 - 4x2 B. 4 - 12x2 C. 4x - 12x2 D. 4x - 12x3
Mathematics
Find the slope of the line that passes through the given points.(-4, -5) and (17, 10)
A. 
B. 
C. 
D. - 
Mathematics
Solve the problem.The demand equation for a certain product is 4p2 + q2 = 1000, where p is the price per unit in dollars and q is the number of units demanded. Find dq/dp.
A. dq/dp = -4p/q B. dq/dp = -4q/p C. dq/dp = -p/4q D. dq/dp = -q/4p
Mathematics