The axis of symmetry for the graph of the function is f(x) = 1/4 x2 +
bx 10 is x = 6. what is the value of b?

Step-by-step explanation:

f(x) = 1/4 x²+bx+10

the derivate is : f'(x) = 1/2 x +b

you have : f'(6)=0

1/2 (6)+b=0

3+b =0

b = -3

so f(x) = 1/4 x²-3x+10f(6) =1/4(6)² -3(6)+10 =9-18+10 =1

f(x) = 1/4(x-6)²+1... the vertex form

*face palms*

step-by-step explanation:

no

answear:

a

step-by-step explanation: a