What is f(x) = 8x2 + 4x written in vertex form?
O fx) = 8(x + 3) = 1
O fx) = 8(x + 1)? -
O A«) = 8(x + } ]p-2
O fx) = 8(x + {}-4

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

Y=4x^2+x-1 solve using quadratic formula

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62