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Alchen [17]
2 years ago
12

Find the value of p (x) = 4x^3 - 7x^2 - 5x + 43 if x= -3

Mathematics
2 answers:
pentagon [3]2 years ago
6 0

Answer:

- 113

Step-by-step explanation:

Substitute x = - 3 into p(x) and evaluate , that is

p(- 3) = 4(- 3)³ - 7(- 3)² - 5(- 3) + 43

         = 4(- 27) - 7(9) + 15 + 43

         = - 108 - 63 + 58

         = - 171 + 58

         = - 113

Alla [95]2 years ago
3 0

Answer:

p(x) =  {4x}^{3}  -  {7x}^{2}  - 5x + 43 \\  \\ p( - 3) =  {4( - 3)}^{3}  -  {7( - 3)}^{2}  - 5( - 3) + 43 \\ p( - 3) =  - 113

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