Find the equation of the line passing through the indicated two points. Write the equation in point-slope form.(2, 7) and (-7, -4)
A. y + 7 = 
(x + 2) or y - 4 = 
(x - 7)
B. y - 7 = - 
(x - 2) or y + 4 = - 
(x + 7)
C. y - 7 = 
(x - 2) or y + 4 = 
(x + 7)
D. y - 7 = 
(x - 2) or y + 4 = 
(x + 7)
Answer: D
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Provide an appropriate response.Which integral or integrals have a value of zero?i) 
ii) 
iii) 
, where b > 0iv) 
, where b < 0
A. Both i and ii B. Both i and iv C. Only i D. All of these
Write a logistic equation with the given parameter values. Then solve the initial value problem and graph the solution. Let r be the natural growth rate, K the carrying capacity, and P0 the initial population.r = 0.2, K = 1980, P0 = 90
A. P' = 0.2P
; P = - 
B. P' = 0.2P
; P = 
C. P' = -0.2P
; P = 
D. P' = 0.2P
; P = 
Solve the problem.If the area of a rectangle is fixed, the length of the rectangle varies inversely as the width. If the length of a rectangle is 25 inches and its width is 45 inches, find the length of a rectangle with a width of 15 inches.
A. 75 inches
B. 
inches
C. 
inches
D. 27 inches
Using the factoring method, solve for the roots of the quadratic equation.20x2 + 4x = 0
A. x = 0, x = - 
B. x = 0, x = 
C. x = 0, x = 5
D. x = 0, x = -5