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ElenaW [278]
3 years ago
8

Evaluate f(3) for the piecewise function: f(x) = StartLayout enlarged left-brace 1st Row StartFraction 3 x Over 2 EndFraction +

8, x less-than negative 6 2nd row negative 3 x minus 2, negative 4, less-than-or-equal-to x less-than-or-equal-to 3 Third row 4 x + 4, x greater-than 3 EndLayout Which value represents f(3)? –11 8 12.5 16
Mathematics
2 answers:
ivolga24 [154]3 years ago
6 0

Answer:

-11

Step-by-step explanation:

just took the test

Thepotemich [5.8K]3 years ago
3 0

Answer:

-11

Step-by-step explanation:

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PolarNik [594]

-2.9 = 3f + 4.3\\3f+4.3+2.9=0\\3f+7.2=0\\3f=-7.2\\f=-7.2/3\\f=-2.4

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2 years ago
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Can some please help me do this? Thanks
madreJ [45]
Slope intercept form is y=MX+b.
M is the slope, x is the x intercept, and b is the y intercept

the slope is
\frac{ - 2}{1}
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4 0
3 years ago
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Solve using substitution.
alexandr1967 [171]
You take the first equation and make a value for y. So 6x + y =7 change it to :
y = -6x + 7
Now in the second equation replace the “y” with -6x +7 this is what it means to use substitution method . Your combined equation will now be :
8x + 9(-6x + 7) =17
Now do distributive property and you get :
8x + -54x +63 =17
Now combine like terms ;
-46x +63 =17
-46x =-46
x = 1
Now replace 1 for X value and we can get the value of Y .
Y=1
X=1
8 0
3 years ago
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