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Show Algebraically That the Functions $f$ And $g$

Question 98

Multiple Choice

Show algebraically that the functions $f$ and $g$ shown below are inverse
$f(x) =-\frac{5}{7} x-3, \quad g(x) =-\frac{7 x+21}{5}$

A) $Show algebraically that the functions f and g shown below are inverse f(x) =-\frac{5}{7} x-3, \quad g(x) =-\frac{7 x+21}{5} A) B) C) D) E)$
B) $Show algebraically that the functions f and g shown below are inverse f(x) =-\frac{5}{7} x-3, \quad g(x) =-\frac{7 x+21}{5} A) B) C) D) E)$
C) $Show algebraically that the functions f and g shown below are inverse f(x) =-\frac{5}{7} x-3, \quad g(x) =-\frac{7 x+21}{5} A) B) C) D) E)$
D) $Show algebraically that the functions f and g shown below are inverse f(x) =-\frac{5}{7} x-3, \quad g(x) =-\frac{7 x+21}{5} A) B) C) D) E)$
E) $Show algebraically that the functions f and g shown below are inverse f(x) =-\frac{5}{7} x-3, \quad g(x) =-\frac{7 x+21}{5} A) B) C) D) E)$