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The functions f and g are defined as follows.
f(x)=2x²-3x
g(x) = -4x-1
Find f(-2) and g (7).
Simplify your answers as much as possible.
f(-2) =
믐
X
9 (7) =
Ś ?

The Functions F And G Are Defined As Follows Fx2x3x Gx 4x1 Find F2 And G 7 Simplify Your Answers As Much As Possible F2 믐 X 9 7 Ś class=

Sagot :

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Answer:

  • f(-2) = -14
  • g(7) = -29

Step-by-step explanation:

~1

Given Polynomial:

  • f(x)=2x²-3x

To Find:

  • f(-2)

Solution:

  • f(x)=2x²-3x

Substitute x = -2 onto the given polynomial,as we need to find f(-2),so x = -2.

  • f(6) = 2(-2)² -3(-2)

Simplify using PEMDAS,then.

  • f(6) = -8 - 6
  • f(6) = -14

Hence, f(6) = -14

[tex] \rule{225pt}{2pt}[/tex]

~2

Given polynomial:

  • g(x) = -4x-1

To Find:

  • g(7)

Solution:

g(x) = -4x-1

Substitute x = 7 onto the given polynomial,as we need to find g(7),so x = 7.

  • g(7)= -4(7) - 1

Simplify using PEMDAS.

  • g(7) = -28 - 1
  • g(7) = -29

Hence, g(7) = -29.

[tex] \rule{225pt}{2pt}[/tex]

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