The function f(x) = 2x2 + 3x + 5, when evaluated, gives a value of 19. What is the function’s input value? 1 -1 2 -2 -3

asked Apr 25, 2017 198k views

5 votes

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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-1
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-3

by CVA

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2 votes

for x=2 you get 2*4+3*2+5 = 19

so this is the input value to get 19

Rivero answered Apr 30, 2017

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