Question

Given f(x)= 18x + 12, find f(7).

Answer 1

Answer:

138

Step-by-step explanation:

f(x)= 18x + 12

Let x = 7

f(7) = 18*7 +12

     = 126+12

     = 138

Answer 2

Answer:

f(7) = 138

Step-by-step explanation:

$f(x)= 18x + 12\\f(7) = ?\\\\f(7) = 18(7) +12\\f(7) = 126+12\\f(7)=138$