Question

the graph of a function f(x)=-1/2(x+4)(x+8) in the xy plane is a parabola. Which of the following is an equivalent form of function f in which the maximum value of the function appears as a constant? a)f(x)=(x+4)(4-1/2x) b)f(x)=-1/2(x+6)^2+2 c)f(x)=-1/2(x+12)+16 d)f(x)=1/2(x+6)^2+20​

Answer 1

Answer:

the answer is b. or d. but not sure