Consider the function represented by 9x+3y= 12 with x as the independent variable. How can this function be written using
function notation?
O f(x) = - 2 / 3 x + 2/3
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fly = -3y+ 4
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f(x) = -3x + 4

Second option

Step-by-step explanation:

In function notation, the "y" variable is isolated and replaced with "f(x)".

Isolate "y" by keeping "y" on the left and moving everything else to the right. To move something, do its reverse operation to both sides.

9x + 3y = 12

9x + 3y - 9x = 12 - 9x                  Do -9x on both sides

3y = -9x + 12

3y/3 = -9x/3 + 12/3                      Divide by 3 on both sides

y = -3x + 4                             Change to function notation

f(x) = -3x + 4                         Answer

25/4

step-by-step explanation:

call segment cd's length x. because dc and ab are parallel, angle acd and cab, so triangles adc and abc are similar and we can set up the equation x / ac = ac / ab, or x / 5 = 5 / 4 and x = 25/4.

answer: i'm not sure

step-by-step explanation: