SOLUTION: Given f(x)=x to the second power+2 find f(a=2)-f(a)
a. 4a+4
b. 4a+8
c. 2
d. 4
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Question 288616: Given f(x)=x to the second power+2 find f(a=2)-f(a)
a. 4a+4
b. 4a+8
c. 2
d. 4
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
f(a+2)-f(a) = (a+2)^2+1-(a^2+1) = a^2+4a+4-a^2-1 = 4a+4
Answer: 4a+4
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