bayv2Sam2ellsh bayv2Sam2ellsh

03-02-2017
Mathematics

contestada

Given the function f(x) = 6(x+2) − 3, solve for the inverse function when x = 21.
−45
0
2
63

Respuesta :

apologiabiology apologiabiology

03-02-2017

the invese switches x and y so basically
if
f(21)=z then f⁻¹(z)=21
therefor
f(z)=21 and f⁻¹(21)=z
basically solve for the value that makes the functino equal 21

21=6(x+2)-3
add 3 both sides
24=6(x+2)
divide by 6
4=x+2
minus 2
2=x

answer is 2

Answer Link

Otras preguntas

How can b^2+9b+14 be re-written?1) (b+7) (b-7)2) (b-7) (b-2)3) (b+7) (b-2)4) (b+7) (b+2)

Is STM semantically or acoustically encoded??

7x+3y=22 4y=20 I need to know how to write this equation out with the answer

what are some reasons for limiting authority

why did the volcano explode

A car that travels from point A to point B in four hours, and then from point B back to point A in six hours. The road between point A and point B is perfectly

which expression is equivalent to x^4-y^4?

Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true?1) If b is negative, the parabola opens downward2) If a is negative,

Wages. JoAnn works in the publicity office at the state university. She is paid $10 an hour for the first 35 hours she works each week and $15 an hour for every

which inequality is equivalent to 7x-2y> 8. A) y> 7/2x+8 b) y>-2/7x+8/7 c) y <7/2x-4 d) y <-2/7x-4/7 (whats a Inequality? )