Need help with this question plz.Will Give BRAINLIEST

Mathematics

1 answer:

Ierofanga [76]3 years ago

5 0

For the first one his car used 8/340 or 2/85 gallons for one mile.

After the fix, his car 7/350 or 1/50 gallons for one mile.

Then you subtract 1/50-2/85 to get (17-10)/850 or 7/850.

You multiply this by 4 to get 28/850 which is $0.0329411

Since it is asking for cents you multiply by 100 to get approximately 3 cents.

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From the picture you can see that (0, -5) is a point on the function and that (2, -4) is another point. Using these you can find the slope of the function with the equation

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rewona [7]

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$f(3) = {3}^{2} + 5(3) - 9 \\ f(3) = 9 + 15 - 9 \\ f(3) = 15$