3 years ago

I really need help pls help me

Mathematics

1 answer:

bearhunter [10]3 years ago

4 0

Num. 4 no because 5t2 doesn't equal 10 …or equals7

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Which function below is the inverse of f(x)= 3x+5/7

Ipatiy [6.2K]

Inverse
replace f(x) wih y
solve for x
replace x with f⁻¹(x) and y with x

so

f(x)=3x+5/7
replace
y=3x+5/7
solve for x
minnus 5/7 both sides
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divide both sides by 3
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replace with f⁻¹(x)

f⁻¹(x)= $\frac{y- \frac{5}{7} }{3}$

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3 years ago

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