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1. f(x)=4x-1; Find f(1)
2.f(x)=x-1; find f(-4
3.f(x)=3x^2+2x; find F(2)
4.f(x)=x^2-2x; find f(-1)
5. f(x) = x^2 +3; find f(-8)


Sagot :

FIND THE VALUE OF F(X)

Answer:

1. 3

2. -5

3. 16

4. 3

5. 67

Step-by-step explanation:

1. f(x) = 4x-1; find f(1)

f (x) = 4x - 1

f (1) = 4 (1) - 1

f (1) = 4 - 1

f (1) = 3

2. f(x) = x-1; find f(-4)

f (x) = x - 1

f (-4) = -4 - 1

f (-4) = -5

3. f(x) = 3x^2+2x; find f(2)

f (x) = 3x^2+2x

f (2) = 3(2)^2+2(2)

f (2) = 3(4) +4

f (2) = 12 + 4

f (2) = 16

4. f(x) = x^2-2x; find f(-1)

f (x) = x^2-2x

f (-1) = (-1)^2-2(-1)

f (-1) = 1 - (-2)

f (-1) = 1 + 2

f (-1) = 3

5. f(x) = x^2 +3; find f(-8)

f (x) = x^2 +3

f (-8) = (-8)^2 +3

f (-8) = 64 +3

f (-8) = 67

For more reference: brainly.ph/question/4683914

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