Use a protractor to measure the angle.
A. 80°
B. 50°
C. 40°
D. 130°
Answer: B
Mathematics
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Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4.F = 
i + 
j
What will be an ideal response?
Mathematics
Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0).f(x, y) = cos
A. 1
B. 0
C. 
D. No limit
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.logb 
A. logbx + logby4 - logbz2 B. logbx + 4logby - 2logbz C. logbx + 4logby + 2logbz D. logbx + logby4 + logbz2
Mathematics
Solve. Verify your solution.5 - 
= 0
A. x = 5
B. x = 
C. x = 25
D. No solution
Mathematics