3 years ago

PLEASE HELP ME! Thank you

1 answer:

8 0

Finding the "solutions" to the system from a given graph is as simple as finding the points of intersection, in this case between the line and the parabola.

Look at the graph and see that the parabola and the line intersect at (6, -1) and (2, -4). So, those are your solutions. Easy as pie!

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Answer:

$\boxed{\sf \ \ \ f^{-1}(x)=\dfrac{x+1}{5} \ \ \ }$

Step-by-step explanation:

hello

f(x)=5x-1

what can we say about $f^{-1}(x) ?$

$(fof^{-1})(x)=x=f(f^{-1}(x))=5f^{-1}(x)-1$

$5f^{-1}(x)-1=x\\ 5f^{-1}(x)-1+1=5f^{-1}(x)=x+1 \ \ \ add \ \ 1\\ f^{-1}(x)=\dfrac{x+1}{5} \ \ \ divide \ \ by \ \ 5$

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