(PLEASE ANSWER!) The equation for the motion of an object with constant acceleration is d=vt+0.5at2
where d is distance traveled in ft, v is starting velocity in ft/s, a is acceleration in
ft/s2, and t is time in seconds. A racecar begins with a velocity of 200 ft/s and
accelerates at 100 ft/s2.
Write an expression for the distance the car travels after t seconds.

since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

step-by-step explanation:

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150

step-by-step explanation:

(sorry i'm not typing it again just read the other two explanation sections i just typed it'll be the same.)

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step-by-step explanation:

this is a parabola.