Use a calculator to find the value of y in degrees rounded to two decimal places.y = cot-1 5.424
A. -10.45°
B. 10.45°
C. 10.62°
D. 79.37°
Answer: B
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Write the complex number in polar form.2 + j
A. 2(cos 26.57° + j sin 26.57°)
B. (cos 26.57° + j sin 26.57°)
C. 
(cos 26.57° + j sin 26.57°)
D. 
(cos 26.57° + j sin 26.57°)
Solve the problem.A shirt company has 4 designs that can be made with short or long sleeves. There are 7 color patterns available. How many different types of shirts are available from this company?
A. 11 B. 13 C. 56 D. 28
Solve the problem.Find the length of the arc intercepted by a central angle of 
in a circle of radius 
Round to two decimal places, if necessary.
A. 21.26 ft B. 0.05 ft C. 10.59 ft D. 606.5 ft
Use the quadratic function to determine if the function has a maximum or minimum value and then find this maximum or minimum value.f(x) = x2 + 6x + 3
A. minimum at (-3, -6) B. maximum at (-6, 0) C. maximum at (-6, -3) D. minimum at (0, -3)