Determining a Linear Equation to Find an Input Value
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Consider f(x) = 1.8x – 10 and g(...
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Mathematics, 03.12.2021 02:20 xxtonixwilsonxx
Determining a Linear Equation to Find an Input Value
Try it
Consider f(x) = 1.8x – 10 and g(x) = -4.
Select the equation that can be used to find
the input value at which f (x ) = 9 (x), and
then use that equation to find the input, or x
-value.
2x
f(x)
22
g(x)
-4
-17.2
-4
-4 -2
O 1.8x – 10 = -4; x = 10
-2
-13.6
-4
O 1.8x = -4; x = -20
9
0
-10
0
-4
O 1.8x - 10 = -4; x = -10
3.
2.
-6.4
N
-4
04 = x
4.
-2.8
4
-4
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