Answer:
51
Explanation:
f ( x ) = 6x + 3
To find the value of f ( 8 ), replace x with 8.
f ( 8 ) = 6 × 8 + 3
f ( 8 ) = 48 + 3
f ( 8 ) = 51
f(8) = 51
f(x) = 6x + 3
Let x = 8
f(8) = 6(8) + 3
= 48+3
= 51
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