Math, 28.10.2019 14:45 batopusong81

# Evaluate the following. x= -4

1. f (x) = 6x-9

2. f (x) = 3x²-3x +1

3. f (x) = 4x / 1 + x²

Answers: 1

Answer from: elishakim80

Step-by-step explanation:

All you have to do is substitute the vakue of x to the given equations

1) f(x) = 6x - 9

f(-4) = 6x - 9

f(-4) = 6(-4) - 9

f(-4) = -24 - 9

f(-4) = -33

2) f(x) = 3x² - 3x + 1

f(-4) = 3x² - 3x + 1

f(-4) = 3(-4)² - 3(-4) + 1

f(-4) = 3(16) + 12 + 1

f(-4) = 48 + 13

f(-4) = 61

3) f(x) = 4x / 1 +x²

f(-4) = 4(-4) / 1 + (-4)²

f(-4) = - 16 / 1 + 16

f(-4) = -16 / 17

Answer from: calmaaprilgrace

24

Step-by-step explanation:

4^2=16 this is how to get 16 4x4=16

2^3=8this is how to get 82x2=4×2=8

now add them together

8+16=24

Answer from: mildredjingpacpavhvg

3 3/5

Step-by-step explanation:

MULTIPLY by the reciprocal4/5×9/2

Reduce the number2/5×9

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Evaluate the following. x= -4

1. f (x) = 6x-9

2. f (x) = 3x²-3x +1

3. f (x) = 4x /...

1. f (x) = 6x-9

2. f (x) = 3x²-3x +1

3. f (x) = 4x /...

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