4. If f(x)=x+3 and g(x)=x²+8x+15. Determine an equation for A. y=x²+11x+39 B. y=x³+11x²+39x+45 C. y=f(x)·g(x) . D. y=2x³+11 x²+42x+2 y=x²-3x-51

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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4. If f(x)=x+3 and g(x)=x²+8x+15. Determine an equation for
A.
y=x²+11x+39
B.
y=x³+11x²+39x+45
C.
y=f(x)·g(x) .
D.
y=2x³+11 x²+42x+2
y=x²-3x-51
Transcribed Image Text:4. If f(x)=x+3 and g(x)=x²+8x+15. Determine an equation for A. y=x²+11x+39 B. y=x³+11x²+39x+45 C. y=f(x)·g(x) . D. y=2x³+11 x²+42x+2 y=x²-3x-51
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