Compose the result function for 400 by replacing the function designators with the actual functions 400
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F(x)=(x-8)/(x+7). g(x)=(-7x-8)/(x-1). Plug in g(x) into f(x), f(g(x))=[(-7x-8)/(x-1)-8]/[-7x-8)/(x-1)+7], which can be simplified as (-7x-8-8x+8)/(-7x-8+7x-7)=-15x/-15=x. Plug in f(x) into g(x), g(f(x))=[-7*(x-8)/(x+7)-8]/[(x-8)/(x+7)-1]=(-7x+56-8x-56)/(x-8-x-7)=-15x/-15=x, as desired.
Answer:
B. The temperature in Chicago could be -10°F because -10 is to the right of -13 on a number line.
Step-by-step explanation:
-10 is greater than -13, that is, on a number line -10 is to the right of -13, as can be seen in the number line attached
Answer:
0.13307802776
Step-by-step explanation:
