Find and simplify f(a)+f(6) for the function $f ( x ) = 12 x - 7$ .
A) $f ( a ) + f ( 6 ) = 12 a + 58$
B) $f ( a ) + f ( 6 ) = 12 a + 79$
C) $f ( a ) + f ( 6 ) = 12 a + 36$
D) $f ( a ) + f ( 6 ) = 12 a + 11$
E) $f ( a ) + f ( 6 ) = 12 a + 72$

Question

Quizplus · Accepted Answer

First, find $f(a) = 12a - 7$. Then, find $f(6) = 12(6) - 7 = 72 - 7 = 65$. Adding them together gives $f(a) + f(6) = 12a - 7 + 65 = 12a + 58$.

Find and Simplify F(a)+f(6) for the Function f(x)=12x−7f ( x ) = 12 x - 7f(x)=12x−7

Find and Simplify F(a)+f(6) for the Function $f ( x ) = 12 x - 7$