Question

If m(x)=3(x² +5)+61, what is the value of m(12)?

Answer 1

Answer:

$m(x) = 3( {x}^{2} + 5) + 61 \\m(12) = 3( {12}^{2} + 5) + 61 \\ = 3(144 + 5) + 61 \\ = 3(149) + 61 \\ = 447 + 61 \\ = 508$