briannamartns05 briannamartns05

03-02-2015
Mathematics

contestada

Let f(x) = 7x - 13. Find f-1(x).

Respuesta :

04-02-2015

[tex]f(x)=7x-13 \\ \\ y=7x-13 \ \ \ |+13 \\ y+13=7x \ \ \ |\div 7 \\ x=\frac{1}{7}y+\frac{13}{7} \\ \\ \boxed{f^{-1}(x)=\frac{1}{7}x+\frac{13}{7}}[/tex]

Answer Link

Otras preguntas

Will you marry me ?

Find the value of m, if (5,8) is a solution of the equation 11 x-2y = 3m, then find one more solution of this equation

"Payment to Vendors" is represented by what type of entry to what account? a. Debit to Accounts Payable b. Credit to Accounts Payable c. Debit to Prepaid Expens

4. A large university amphitheatre has semi-circle seating with 30 seats in the first row, 32 seats in the second row, 34 seats in the third row, and so on. The

Write an explicit formula for a The nth term of the sequence 35,44,53

ack on ore ore 12 ch Question 1 When solving 2x + 5y = 7 - 3x + 4y = 9 by the elimination method, we can eliminate x by multiplying the first equation by 3 and

Will you marry me ?

Erika's toy is valued at €450. Its value increased by 10% then decreases by 10% the year after. What is the value of Erika's toy after these two changes?

the people on the train are jk the following ratios men:children=5:3 women:children=3:2 find the ratio men:women in its simplest form

This year you earned $75,500. Last year you earned $72,400. What was the rate of change on your earnings since last year