Find an equation of the line having the given slope and containing the given point. m = 7; (0, -6)
A. y = -7x - 4
B. y = 7x + 6
C. y = 7x + 8
D. y = 7x - 6
Answer: D
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Determine whether the following is always true or not always true. Given reasons for your answers.c(u ? v) = cu ? cv (any number c)
What will be an ideal response?
Rationalize the denominator.
A. 
B. 
C. 
D. 
Data are given for y as a power function of x. Write an equation for the power function, and state its power and constant of variation. 
A. y = 
; Power = 
; constant of variation = 1
B. y = 0.5x ; Power = 1; constant of variation = 0.5
C. y = 2
; Power = -3; constant of variation = 2
D. y = 2
; Power = 
; constant of variation = 2
Below is given the plot of a vector field F in the xy-plane. (The z-component of F is 0.) By studying the plot, determine whether div F is positive, negative, or zero.
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