Determine the domain of the function 
.
A. Domain: all real numbers except x = -5 and -2
B. Domain: all real numbers
C. Domain: all real numbers except x = -5 and 2
D. Domain: all real numbers except x = 2
E. Domain: all real numbers except x = 5 and 2
Answer: D
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Replace the Cartesian equation with an equivalent polar equation.x2 + 4y2 = 4
A. cos2? + 4 sin2? = 4r B. r2(4 cos2? + sin2?) = 4 C. r2(cos2? + 4 sin2?) = 4 D. 4 cos2? + sin2? = 4r
Write fraction as decimal number. Use bar notation for repeating decimals.
A. 0.
B. 0.
C. 0.73
D. 0.7
Find the remaining zeros of f(x) given that c is a zero. Then rewrite f(x) in completely factored form.f(x) = 3x4 - 7x3 + 13x2 - 21x + 12; c = 1 is a zero
A. 
; f(x) = (x - 1)(3x - 4)(x2 + 3)
B. -3, -1, 
; f(x) = (x - 1)2(3x - 4)(x + 3)
C. 3, 
; f(x) = (x - 3)(3x - 4)(x2 + 1)
D. -3, -1, - 
; f(x) = (x - 1)(3x + 4)(x + 1)(x + 3)
Simplify the rational expression. (Assume the denominator is nonzero.)
A. - 
B. 
C. - 
D. 