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Marysya12 [62]
3 years ago
9

If g(x)=4x-6 then g^-1(x)=? (1) -4x+6 (2)-1/4x+1/6 (3)1/4x+3/2 (4)1/4x+6

Mathematics
2 answers:
Paul [167]3 years ago
7 0

Answer:

3

Step-by-step explanation:

y = 4x - 6

x = 4y - 6  

x + 6 = 4y

y = x + 6 / 4

g -1 (x) = x/4 +6/4

= answer 3

kati45 [8]3 years ago
4 0

Given:

g(x)=4x-6

To find:

The function g^{-1}(x).

Solution:

we have,

g(x)=4x-6

Put g(x)=y.

y=4x-6

Interchange x and y.

x=4y-6

Isolate y.

x+6=4y

\dfrac{x+6}{4}=y

y=\dfrac{x+6}{4}

Substitute y=g^{-1}(x).

g^{-1}(x)=\dfrac{x+6}{4}

g^{-1}(x)=\dfrac{x}{4}+\dfrac{6}{4}

g^{-1}(x)=\dfrac{x}{4}+\dfrac{3}{2}

Therefore, the correct option is (3).

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