Uber charges $1.75 flat rate, in addition to $0.65 per mile. Cindy has no more than $15 to spend on a ride. Write an inequality that represents Cindy's situation and then solve to see
how many miles Cindy can travel, without exceeding her limit. Justify your answer.

Uber charges $1.75 flat rate, in addition to $0.65 per mile. Cindy has no more than $15 to

spend

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Ответ:

sherman55

26.05.2022

Mathematics

f(g(x)) = 18x³ +1 . . . . . the amount Sonia earns baking bread for x hours

Step-by-step explanation:

Your work is fine as far as it goes. You need to be aware that the square of a square root is the content of the radical:

$(\sqrt{2x^3})^2=2x^3$

That is sort of the point of a square root: squaring it give the original value.

Using this fact, you can simplify your result to ...

$f(g(x))=9(\sqrt{2x^3})^2+1=9(2x^3)+1=18x^3+1$

You have correctly observed that this represents the amount Sonia earns baking bread for x hours.

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Uber charges $1.75 flat rate, in addition to $0.65 per mile. Cindy has no more than $15 to spend on a ride. Write an inequality that represents Cindy's situation and then solve to see how many miles Cindy can travel, without exceeding her limit. Justify your answer.