Find the reference angle of the given angle.-517°
A. 113°
B. 67°
C. 23°
D. 157°
Answer: C
Mathematics
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Write the complex number in rectangular form.8
A. 
+ 
i
B. 
+ 
i
C. 4
+ 4i
D. 4 + 4
i
Mathematics
For the given pair of functions, find the requested function.f(x) = 24x3 - 20x2 - 8x - 54 and g(x) = 6x + 7; 
(1)
A. 0
B. 
C. - 
D. - 
Mathematics
Provide an appropriate response.Suppose you have to solve the following problem: "The length of a rectangle is 5 ft more than its width and its area is 84 square feet. Find its width and length." Let x represent the width of the rectangle and translate the problem into an equation. Do not solve the equation.
Fill in the blank(s) with the appropriate word(s).
Mathematics
For the given function f(x), find f-1(x).f(x) = 
x + 9
A. f-1(x) = 
x - 9
B. f-1(x) = 3x + 27
C. f-1(x) = 
x + 3
D. f-1(x) = 3x - 27
Mathematics