Find the unit vector that has the same direction as the vector v.v = 12i + 5j
A. u = 156i + 65j
B. u = 
i + 
j
C. u = 
i + 
j
D. u = - 
i - 
j
Answer: C
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Use the graph of f(x) to solve the inequality.f(x) < 0
A. -2 < x < 1 B. x < -4 or x > -2 C. x < -4 or -2 < x < 1 D. -4 < x < -2 or x > 1
Graph the linear inequality.y ? -3x - 1
A. 
B. 
C. 
D. 
Solve the problem.f(x) = tan x is defined over the interval 
.(a) Approximate the area A by partitioning 
into 4 subintervals of equal length and choosing u as the left endpoint of each subinterval.(b) Approximate the area A by partitioning 
into 8 subintervals of equal length and choosing u as the right endpoint of each subinterval.(c) Express the area A as an integral.(d) Use a graphing utility to approximate this integral to three decimal places.
What will be an ideal response?
Write the vector in the form 
A. 
B. 
C. 
D. 