А) - корень из3/2 б)-1 в)-1 г)-1
~•~•~•ZLOY_TIGROVSKIY~•~•~•
Y = kx + b
( 1 ; 1 ) ; ( 5 ; - 4 )
1 = k + b
- 4 = 5k + b
k = 1 - b
- 4 = 5( 1 - b ) + b
- 4 = 5 - 5b + b
- 9 = - 4b
b = 4/9
k = 1 - 4/9 = 5/9
Ответ y = 5/9x + 4/9
= 3 + √7·2· log7/log4= 3 + √7·2·1/2log2 = 3 + √7/log2
осн. = 7 осн.7 осн.7