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- anonymous

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- anonymous

David tracks his calories burned while training for a meet. The number of calories he burns is expressed by the function c(t) = 704t, where t is the number of hours spent swimming.
To burn more calories, David wears flippers while he swims. The number of calories he burns while wearing flippers is expressed by the function b(c) = 1.3c, where c is the number of calories burned while swimming without flippers.
Which of the following composite functions expresses the calories, as a function of time, David burns while swimming with flippers?
b[c(t)] = 915.2t
b[c(t)] = 705.3t
c[b(t)] = 915.2t
c[b(t)] = 705.3t

- anonymous

Substitute B
for 1.3c

- anonymous

So it'd be 1.3c(c)=1.3c or-?

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- anonymous

I think its 1.3c(c)=1.3c

- anonymous

Okay, so do you know what I'm supposed to do after that because I'm just so confused.

- anonymous

unfortunately thats as far as i understand, sorry.

- anonymous

That's alright, thank you anyways!

- anonymous

No problem, good luck finding the answer!

- anonymous

Thanks ^.^

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