Use a graphing calculator to approximate the zeros of the function. Round to the nearest hundredth, if necessary.
f(x) = x² – 8x -4
a. 8.47 and -0.47
b. 7.46 and -0.54
C. 7.46 and 0.54
d. 0.47 and -8.47

answer: i don't understand. what are the options

step-by-step explanation:

[2, 2.5)

(2.5, 3]

step-by-step explanation:

i think its these two not sure [2, 2.5)

(2.5, 3]

30 feet

step-by-step explanation:

that would be 2 1/2 * 12

= 24 + 6

= 30 feet   (answer)