2 years ago

If f(x) = 2x2 5x, find f(3b).

1 answer:

frez [133]2 years ago

7 0

F(x) = 2x^2 + 5x
f(3b) = 2(3b)^2 + 5(3b) = 2(9b^2) + 15b = 18b^2 + 15b

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