Find dy for the given values of x and ?x.y = 
+ 3
; x = 4, ?x = 0.5
A. 
B. .47
C. 
D. .45
Answer: A
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Express the following in interval notation.
A. (0, 4] B. [-4, 0) C. (-4, 0] D. [0, 4)
Let u represent src="https://sciemce.com/media/4/ppg__tttt0515191515__f1q13g7.jpg" style="vertical-align: -17.0px;" />
, v represent 
, and w represent 
. Solve first for u, v, and w. Then solve the system of equations.
+ 
+ 
= 
- 
+ 
= 
+ 
+ 
= 
A. 
B. (-1, -3, 1)
C. (1, 3, 1)
D. (1, 3, -1)
Use the graph to solve the problem.Find the rate of change in the value of Bob's car.
A. $320 per year B. -$320 per year C. -$400 per year D. $400 per year
Find an equation for the line with the given properties.The solid line L contains the point (2, 3) and is perpendicular to the dotted line whose equation is 
Give the equation of line L in slope-intercept form.
A. y - 3 = 2(x - 2)
B. y = 
x + 4
C. y - 3 = - 
(x - 2)
D. y = - 
x + 4