Find f(–2) for the function f(x) = 3x2 – 2x + 7. −13 −1 1 23

The correct answer is: 23

Given function:

(A)

f(-2) means that we have to put x = -2 in equation (A):

Hence the correct answer is: f(-2) = 23.

Step-by-step explanation:

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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