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Y_Kistochka [10]
3 years ago
10

Use the function f(x) = 2x3 -3x2 + 7 to complete the exercises f(-1) = f(1) = f(2) =

Mathematics
1 answer:
Leona [35]3 years ago
4 0

Answer:

  • f(-1) = 8
  • f(1) = 6
  • f(2) = 11

Step-by-step explanation:

Given the function

f(x) = 2x³ -3x²+ 7

putting x=-1 to find f(-1)

f(-1) =  2(-1)³ -3(-1)²+ 7

      = -2 + 3 + 7

      = 8

putting x=1 to find f(1)

f(1) =  2(1)³ -3(1)²+ 7

      = 2 - 3 + 7

      = 6

putting x=2 to find f(2)

f(2) =  2(2)³ -3(2)²+ 7

      = 16 - 12 + 7

      = 11

Therefore,

  • f(-1) = 8
  • f(1) = 6
  • f(2) = 11
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