SOLUTION: Given the function defined by r(x)=4x^2-6x+5 find r(-1)

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Question 905105: Given the function defined by r(x)=4x^2-6x+5 find r(-1)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Replace every x with -1 and evaluate

+r%28x%29=4x%5E2-6x%2B5

+r%28-1%29=4%28-1%29%5E2-6%28-1%29%2B5

+r%28-1%29=4%281%29-6%28-1%29%2B5

+r%28-1%29=4%2B6%2B5

+r%28-1%29=10%2B5

+r%28-1%29=15