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F(x) = 4x2 - 8x + 1 and g(x) = 3x2 - 7x - 6 find f(x) and g(x) A) x2 - x + 7 B) x2 + x + 7 C) x2 - x - 7 D) x2 - 15x - 5

F(x) = 4x2 - 8x + 1 and g(x) = 3x2 - 7x - 6 find f(x) and g(x) A) x2 - x + 7 B) x2 + x + 7 C) x2 - x - 7 D) x2 - 15x - 5
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F(x) = 4x2 - 8x + 1 and g(x) = 3x2 - 7x - 6

find f(x) and g(x)

A) x2 - x + 7
B) x2 + x + 7
C) x2 - x - 7
D) x2 - 15x - 5

asked
User Shimon Tolts
by
8.2k points

1 Answer

1 vote
Solve the system of equations

4x2 - 8x + 1
3x2 - 7x - 6

Multiply the 2nd line by -1

4x2 - 8x + 1
-3x2 + 7x + 6

Add the lines together

x2 -x + 7

Answer: a)
answered
User Tony Han
by
8.7k points
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