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1 answer:
Answer: See attached
Step-by-step explanation:
[1] Looking at the function, this will be a parabola.
[2] We know that the x-intercepts, where the line hits the x-axis, will be -1 and 2 because of the factored part given
-> (x + 1)(x - 2)
-> (x + 1) gives us -1 and (x - 2) gives us 2
[3] We will graph the given function.
-> See attached
-> <em>I kept the scale the same as the screenshot you gave (which is 5 to -5 for both the y-axis and the x-axis)</em>
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Answer:
Step-by-step explanation:
The rule is ...
log(a/b) = log(a) -log(b) . . . . all logs to the same base
Then for a/b = 13/x, this becomes ...
log(13/x) = log(13) -log(x)
If the base of logarithms is 9, then this is ...
log9(13/x) = log9(13) -log9(x)