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zepelin [54]
3 years ago
15

Please help! brainliest, rattings, thanks ect, the attachment is posted below

Mathematics
1 answer:
Bad White [126]3 years ago
6 0

For question 3, the answer is f(x)=3x-4.

In question 3, if -7 is f(x), and it is 3x-4, the answer is -1; if -7 is f(x), and the answer is 4x-3, the answer is -1; if -7 is f(x), and it is 1/2x+3, answer is -20;  if -7 is f(x), and it is 3x+1/2, the answer is -5/2.

But, if -4 is f(x), and it is 3x-4, the answer is 0; if -4 is f(x), and it is 4x-3, the answer is -1/4.

So f(x)=3x-4 is the answer for question 3.

For question 4, the answer is the last choice.

Like the one above 3x was the rate and -4 is the initial value.

So for this one, 2/3 is the rate and -2 is the initial value.

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