larissacrystalow8g2w
22.08.2019 •
Mathematics
How to write the inverse of 3x+4y=12 in f^-1 (x)?
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Ответ:
4y=12-3x
y=(12-3x)/4 < This is f(x)
3x+4y=12
3x=12-4y
x=(12-4y)/3
Therefore:
f⁻¹(x)=(12-4x)/3
=[4(3-x)]/3
Ответ:
Step-by-step explanation:
3q - 1 = 3(1) - 1 = 2
3q -1 = 3(2)- 1= 5
10/p = 2 10/p = 5
p= 5 p= 2 (5-2=3, so 10/p is correct)
q=5, 3(5) -1 = 14
10/p = 14
p = 0.71??