SOLUTION: The following graph describes function 1, and the equation below it describes function 2: Function 1 graph of function f of x equals negative x squared plus 8 multiplied by x

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Question 972721: The following graph describes function 1, and the equation below it describes function 2:
Function 1
graph of function f of x equals negative x squared plus 8 multiplied by x minus 15
Function 2
f(x) = -x2 + 2x - 15
Function ____ has the larger maximum.
(Put 1 or 2 in the blank space)

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
-x^2 +8x-15
the maximum occurs at an x-value of -(b/2a), where b=8, and a=-1 -(8/-2)=+4
f(4)=-16+32-15=1
-x^2+2x-15
a=-1 b=2 -(b/2a)= -(2/-2) = 1
f(1)=-1+2-15=-14
Function 1 has the higher maximum
graph+%28300%2C300%2C-10%2C10%2C-20%2C10%2C-x%5E2%2B8x-15%2C-x%5E2%2B2x-15%29