104,848 views
31 votes
31 votes
J(x) = 3x² + 2x – 5
Find J(3)

User George Dima
by
2.5k points

1 Answer

17 votes
17 votes

Answer:

28

Explanation:

J(x) = 3x^2 + 2x - 5

they have asked us to find J(3), therefore substitute x with 3 throughout the equation.

j(3) = 3*3^2 + 2*3 - 5

J(3) = 3*9 + 6 - 5

J(3) = 27 + 6 - 5
J(3) = 33 - 5 = 28

User MrCycling
by
3.0k points
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