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yawa3891 [41]
4 years ago
13

1) SHOW WORK: Evaluate f(-2):

Mathematics
2 answers:
timofeeve [1]4 years ago
5 0

Answer:

<h2>1) f(-2) = -10</h2><h2>2) f(8) = 60</h2>

Step-by-step explanation:

1)\\f(x)=3x-4\\\\f(-2)\to\text{put x = -2 to the equation of the function}\ f(x):\\\\f(-2)=3(-2)-4=-6-4=-10\\2)\\f(x)=x^2-4\\\\f(8)\to\text{put x = 8 to the equation of the function}\ f(x):\\\\f(8)=8^2-4=64-4=60

babymother [125]4 years ago
4 0

Answer:

- 10 and 60

Step-by-step explanation:

1

To evaluate f(- 2) substitute x = - 2 into f(x)

f(- 2) = (3 × - 2) - 4 = - 6 - 4 = - 10

2

To evaluate f(8) substitute x = 8 into f(x)

f(8) = 8² - 4 = 64 - 4 = 60

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