Provide the proper response.For any real number w, w2 + 5 is in the domain of the function f(x) = 
.
A. True
B. False
Answer: A
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Provide an appropriate response.True or false? If k = 0, then x2 = k will have exactly one real solution. If false, give the correct number of real solutions.
A. True B. False; two C. False; zero D. False; three
Find the slope and the y-intercept of the line.-x + 2y = 4
A. Slope -1; y-intercept (0, 2)
B. Slope - 
; y-intercept (0, 2)
C. Slope 
; y-intercept (0, 2)
D. Slope 
; y-intercept (0, 4)
Simplify the right-hand side of the equation. Then graph the equation by hand. Use a graphing calculator to verify your work.y = 3(3x)
A. 
B. 
C. 
D. 
Find the absolute extrema if they exist as well as where they occur.f(x) = -3x4 + 20x3 - 36x2 + 7
A. Absolute maximum of -12 at x = 1; no absolute minima B. Absolute maximum of -25 at x = 2; no absolute minima C. No absolute extrema D. Absolute maximum of 7 at x = 0; no absolute minima