Mathematics
bouchie101
9

The function f(x) = 2x2 + 3x + 5, when evaluated, gives a value of 19. What is the function’s input value?

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(2) Answers
Buggi103

Is it 2×2 or 2x^2 ?????? Sorry then only I. Can help you

Hanington955

f(x)......ur output = 19 19 = 2x^2 + 3x + 5 2x^2 + 3x + 5 - 19 = 0 2x^2 + 3x - 14 = 0 (2x + 7)(x - 2) = 0 2x + 7 = 0 2x = -7 x = -7/2 x - 2 = 0 x = 2 I believe there is 2 possible answers......x (ur input value) = -7/2 or 2

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