dogsaver14
dogsaver14
01-07-2016
Mathematics
contestada
What is the inverse of y = 2x^2 – 8?
Respuesta :
nobillionaireNobley
nobillionaireNobley
02-07-2016
[tex]y = 2x^2 - 8 \\ 2x^2 = y + 8 \\ x^2 = \frac{y+8}{2} \\ x = \sqrt{\frac{y+8}{2}} \\ f^{-1} (x)=\sqrt{\frac{x+8}{2}}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 25+ )
Otras preguntas
Joe and Ann buy some fruit from the same shop. Joe buys 4 apples and 3 bananas for £2.50 Ann buys 3 apples and 4 bananas for £2.40 Work out the cost of (i) one
Which of the following statements is correct for a person that has active Hepatitis B? A. Symptoms may or may not be present B. Infected person's will have jaun
Consider the polynomial function p(x)=-5x^6-3x^5+4x^2+6xp(x)=−5x 6 −3x 5 +4x 2 +6xp, left parenthesis, x, right parenthesis, equals, minus, 5, x, start su
(Please Answer Quickly) Find the distance between the point and the plane. (Round your answer to three decimal places.) (4, 2, 1) x − y + 2z = 6
What work must be done to place a satelite of mass 30kg in orbit at a height of 50km above the earth with a velocity of 800m sec?
A marathon had 618 runners registered. Of these runners, about 0.8% completed the race in under 2 h 15 min. a) How many runners completed the race in this time?
96 members are going to pass a resolution to select a team leader. If 1/6 of the members voted in favor and 2/5 of the members voted against how many did not vo
Isla, Bob and Marie are playing a game involving counters. The total number of counters stays the same throughout the game. At the start of the game, the ratio
Select the values that make the inequality m 4 true. Then write an equivalent inequality, in terms of m. (Numbers written in order from least to greatest going
Graph: f(x) = -√x Step 1: Evaluate the function to find three points. f(0) = -1 0 1 -2 2 1 -2 9 y 2 6 x x y