Find the slope of the line.
A. 2
B. -2
C. - 
D. 1
Answer: A
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find Zp when Np = 450, Ns = 39 and Zs = 8 ê.
´ 2à ³N ³ ³ p³ If Z = ³Äij Zs, ³ 2³ ³N ³ ’ sÅ a. 1.06 Kê b. 852 ê c. 72.6 ê d. 8.48 Kê e. 92.3 ê
Find the quadratic function whose graph contains the given points.
, 
, 
A. f(x) = 4x2 - 3x - 4 B. f(x) = -4x2 - 3x + 4 C. f(x) = -4x2 - 3x - 4 D. f(x) = -4x2 + 3x - 4
Find the open interval(s) where the function is changing as requested.Increasing; y = 7x - 5
A. (-?, ?) B. (-5, 7) C. (-?, 7) D. (-5, ?)
Solve the problem.A rectangular box with volume 234 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost the box as a function of x. Give the function and state its domain.
A. C = 3x2 + 
: x > 4
B. C = 3x2 + 
: x > 0
C. C = 2x2 + 
: x < 10
D. C = 4x + 
: x > 0