February 27, 2017

Homework Help: algebra

Posted by Celina on Tuesday, December 16, 2008 at 4:24pm.

I'm a little confused on how to solve this:

The number of cricket chirps per minute is given by
N(t) = 7.2t - 32
Where t is the temperature in degrees Celsius.

a. Graph the equation N(t) = 7.2t - 32

I have learned a few ways to graph equations. One way would be to use -32 as the y-intercept and from there go up 7.2, over 1, etc. The other way would be to pick an x, or in this case, t value, multiply it by 7.2, subtract 32, and that would be the y value. I have tried both ways and gotten different results, so which way would be correct?

Thank you very much! Any help is appreciated!

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