In Exercises 59 –64, let f ( x ) = − 3 x 3 − 2 x 2 − x + 4 g ( x ) = x 3 − x 2 − 5 x − 4 h ( x ) = − 2 x 3 + 5 x 2 − 4 x + 1. Find the indicated function, function value, or polynomial. ( g + h − f ) ( x ) and ( g + h − f ) ( − 2 )
In Exercises 59 –64, let f ( x ) = − 3 x 3 − 2 x 2 − x + 4 g ( x ) = x 3 − x 2 − 5 x − 4 h ( x ) = − 2 x 3 + 5 x 2 − 4 x + 1. Find the indicated function, function value, or polynomial. ( g + h − f ) ( x ) and ( g + h − f ) ( − 2 )
Solution Summary: The author calculates the values of (g+h-f) (x ), ''23+6x x 2-8x-7'
Answer the number questions with the following answers
+/- 2 sqrt(2)
+/- i sqrt(6)
(-3 +/-3 i sqrt(3))/4
+/-1
+/- sqrt(6)
+/- 2/3 sqrt(3)
4
-3 +/- 3 i sqrt(3)
1
Matching 10 points
Factor and Solve
1)x3-216 0, x = {6,[B]}
2) 16x3 = 54 x-[3/2,[D]]
3)x4x2-42 0 x= [ +/-isqrt(7), [F] }
4)x+3-13-9x x=[+/-1.[H]]
5)x38x2+16x=0, x = {0,[K}}
6) 2x6-10x-48x2-0 x-[0, [M], +/-isqrt(3))
7) 3x+2x²-8 x = {+/-i sqrt(2), {Q}}
8) 5x³-3x²+32x=2x+18 x = {3/5, [S]}
[B]
[D]
[F]
[H]
[K]
[M]
[Q]
+/-2 sqrt(2)
+/- i sqrt(6)
(-3+/-3 i sqrt(3))/4
+/- 1
+/-sqrt(6)
+/- 2/3 sqrt(3)
4
-3 +/- 3 i sqrt(3)
[S]
The only problems I need help with ae the last 8 ones, Thanks
Chapter 5 Solutions
Intermediate Algebra for College Students (7th Edition)
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