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3 years ago

7

David burns 220 calories riding her bike each hour. He wants to burn 550 calories riding his bike at the same rate. what answer

represents all possible values for h, the number of hours David must ride her bike to burn more than 550 calories?

1 answer:

JulijaS [17]3 years ago

4 0

Answer:

3

Step-by-step explanation:

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I'm not sure if you mean ( $\sqrt{x + 7}$ ) or ( $\sqrt{x} + 7$ ) I solved it both ways .

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$f(x) = \sqrt{x} + 7 \\ \\ f( \: g(x) \: ) = \sqrt{(8x - 11)} + 7 \\ = \sqrt{8x - 11} + 7\\$

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