Use a calculator or square root table to approximate the solution. Round to the nearest tenth when necessary.x2 - 6x > 9
A. all real numbers
B. -1.2 < x < 7.2
C. no real solution
D. x < -1.2 or x > 7.2
Answer: D
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Find the domain and range of the inverse of the given function.f(x) = 
x - 3
A. Domain and range: all real numbers B. Domain: (-?, 3) ? (3, ?); range: (-?, 9) ? (9, ?) C. Domain: (-?, 9) ? (9, ?); range: all real numbers D. Domain and range: (-?, 9) ? (9, ?)
Provide an appropriate response.Determine: 
What will be an ideal response?
Find the slope and y-intercept of the line.-3x + 5y = 8
A. slope = 
; y-intercept = 
B. slope = 
; y-intercept = - 
C. slope = 3; y-intercept = 11
D. slope = 
; y-intercept = 
Solve the problem.The polynomial 
measures the concentration of a dye in the bloodstream x seconds after it is injected. Does the concentration increase between 12 and 13 seconds?
A. No B. Yes