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Ainat [17]
3 years ago
7

F(x)=9÷4x-15 for x=4

Mathematics
1 answer:
enyata [817]3 years ago
5 0

9/4x  -15     for x=4

To find this answer you must plug the 4 everywhere the x is located.

(9/4)(4)  -15

Multiply 9/4 by 4

(9/4) x 4 = 9

Now we take our 9 answer and add it to -15.

9-15 = -6

The answer is -6

-

-

For the other equation, you also must plug in 3 where ever x is located in the equation.

5/3x -3/5

(5/3)(3) -3/5

Multiply 5/3 and 3

(5/3) x 3 = 5

Take that answer of 5 and add -3/5

5- (3/5) =4 2/5

The answer to this equation would be 4 2/5 or 4.4

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