Evaluate the function at the indicated values. (If an answer is undefined, enter

Algebra
Tutor: None Selected Time limit: 1 Day

f(x) = 6x2 + 2x − 12

f(0)      =          

f(2)      =          

f(−2)    =          

f(2)      =          

f(x + 1)            =          

f(−x)    =         

Feb 9th, 2015

f(x) = 6x2 + 2x − 12

f(0)  =    6*0^2 + 2*0- 12 = UNDEFINED

f(2)  =    6*2^2 + 2*2 - 12 = 24 + 4 - 12 = 16

f(−2)  =    6*(-2)^2 + 2*-2 - 12 = 24 - 4 - 12 = 8

f(2)  =    6*2^2 + 2*2 - 12 = 24 + 4 - 12 = 16

f(x + 1)  =   6*(x+1)^2 + 2*(x+1) - 12 = 6 ( x^2 + 2x + 1 ) + 2x + 2 - 12 =

6x^2 + 12x + 6 + 2x + 2 - 12 = 6x^2 + 14x - 4

f(−x)  =        6(-x)^2 + 2 ( - x ) - 12 = 6x^2 - 2x - 12


Feb 9th, 2015

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