lamontcarter
25.03.2020 •
Mathematics
5. Find the inverse for the equation f(x) = 7x – 3.
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Ответ:
The inverse is (x+3)/7
Step-by-step explanation:
y = 7x-3
Exchange x and y
x = 7y-3
Solve for y
Add 3 to each side
x+3 =7y-3+3
x+3 = 7y
Divide each side by 7
(x+3)/7 = 7y/7
(x+3)/7 = y
The inverse is (x+3)/7
Ответ:
B=4
C=5
Substitute 3 in for 'a' in the equation, and 5 in for 'c' in the equation to get 17.