Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 - 9x - 2
A. (-9, 160) ; x = -9
B. (11, -2) ; x = 11
C. 
; x = 
D. 
; x = - 
Answer: C
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A card is drawn from a well-shuffled deck of 36 playing cards. Let E denote the event that the card drawn is red and let F denote the event that the card drawn is a diamond. Determine whether E and F are dependent events. Answer dependent or independent.
What will be an ideal response?
Solve.A label on a box shows that the box weighs 150 kilograms. How many pounds is that?
A. 68.1 lb B. 159 lb C. 330 lb D. 381 lb
Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. Not one-to-one
D. f-1(x) = 
Solve the problem.Johnny's rental company charges 
per day for a small truck plus 
per mile. Annie's rental company charges 
per day for the same size truck plus 
per mile. For what number of miles driven (in one day) will Annie's company be cheaper?
A. less than 800 miles B. less than 400 miles C. more than 800 miles D. more than 900 miles