3 years ago

What is the rate-of-change of the table above?

Mathematics

1 answer:

RUDIKE [14]3 years ago

5 0

Sry but I hope u get the right answer and have a great Christmas

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If f(x) =69-15x then f(f^-1(x))

xenn [34]

If f(x)=69-15x then $f(f^{-1}(x))=x$

Given :

$f(x)=69-15x\\$

Lets find out $f^{-1}(x)$ . The steps to find out f inverse are

Replace f(x) by y

$y=69-15x\\Interchange \; the \; variables\\x=69-15y\\solve \; for \; y\\x-69=-15y\\Divide \; by \; -15\\\frac{-x+69}{15} =y\\Replace \;y \;with \; f^{-1}\\f^{-1}=\frac{-x+69}{15}$

Now we find $f(f^{-1}(x))$

Replace inverse function in the place of x in f(x)

$f(f^{-1}(x))=f(\frac{-x+69}{15} )=69-15(\frac{-x+69}{15})=69-(-x+69)=69+x-69=x\\f(f^{-1}(x))=x$

Learn more :

brainly.com/question/11242094

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2 years ago

HeLppppppp MeHHHHHH <br> Thank youuuuuu

8090 [49]

You need to show the data above

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3 years ago

Kelly tells you that when variables are in the denominator, the equation becomes unsolvable. "There is a value for x that makes

saveliy_v [14]

The problem can be translated into an equation that is something like 4/5 + 3/x = 1/2
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So the LCD here is 10x, so multiply both sides by that to get:
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divide:
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The solution isn't zero so there is a solution.

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3 years ago

If cos x = sin(20+x) degrees and 0 degrees < x < 90 degrees, the value of x is

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Answer:

Step-by-step explanation:

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2 years ago

Find the measure of the numbered angle formed by a secant segment and tangent.

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The rule is that the angle is half the measure of the intercepted arc. So it's 110.

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