Mathematics
AbbyAwesome
23

Help please I have a test tomorrow!!!!

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(1) Answers
sunmi4all

For find f(-2) of f(x)=7x+3, plug in -2 for x. 7(-2)+3=y -14+3=y y=-11 To find the rate, or the slope, you divide x/y. So 2/6 is 1/3. 3 over 9 is also 1/3. So the rate is 1/3. In rates you always divide, you don't mulitply or subtract  or add to find the rate. 

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