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Calculus Easy 10 points?

0 votes
1. Find the solution of the differential equation dy/dx = 6x^2 - 7 = 20, when x = 0

A. y = 2x^3 - 7x

B. y = 2x^3 - 7x + 20

C. y = 2x^3 -7x + 10

D. y = 2x - 7x + 5

2. Find the most general solution of the differential equation d^2 s / dt^2 = 32; given that s = 4 ds/dt = 2 when t =0

A. s = 16t^2 + 2t - 4

B. s = 16t^2 + 2

C. s = 16t^2 + 2t + 4

D. s = 16t^2 + 2t + 2
 
asked Sep 30, 2014 in CALCULUS by anonymous

2 Answers

0 votes

2)

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Substitute the value of C in image

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Substitute the value image in image

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Option C is correct.

answered Sep 30, 2014 by david Expert
0 votes

1)

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Substitute the C value in .

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Option B is correct.

answered Sep 30, 2014 by david Expert

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