Seudónimo Seudónimo

15-07-2018
Mathematics

contestada

Find the inverse of the logarithmic function y =log₂(x + 7)

y = x2 - 7
y = x2 + 7
y = 2x2 + 7
y = 2x - 7
y = 2x + 7

Respuesta :

altavistard altavistard

15-07-2018

1. Interchange x and y: x = log₂(y + 7)

2. Solve this resulting equatino for y:

x x

2 = y + 7 => y = 2 - 7

3. Replace "y" with

-1 -1 x

f (x): f (x) = 2 - 7 This is the desired inverse.

Answer Link

cabr2002 cabr2002

15-07-2018

y=2x-7 answered off of a graphing calculator

Answer Link

Otras preguntas

can someone plz help me what do B-8=

What are the coordinates of the y-intercept for the equation y + 3x = 6?

Two objects are moving downward at a speed of 3 cm/s. Object A has a mass of 2kg and Object B has a mass of 1kg. You want both objects to move to the left at a

there u go !!!!!!!!!!!!!!!

A quadratic function models the graph of a parabola. The quadratic functions, y = x2 and y = x2 + 3, are modeled in the graphs of the parabolas shown below. Det

Use the long division method to find the result when 3x3 – 2x2 + 2x + 1 is divided by 3x + 1.

Bonnie is by training for a half-marathon She already runs 8 miles per day. She wants to increase this by 2 miles a day for the next five days. Use the equatio

What is the missing term? Please help me!

PLZ HELP ITS DUE TODAY!!!!!

what do you mean by Bubble reputation?