yordanosniguse yordanosniguse

26-01-2021
Geography

contestada

Let f(x)=5x-4,g(x)=3x+7then find the value of k if (fog)(k)=7

Respuesta :

ChoiSungHyun ChoiSungHyun

26-01-2021

Explanation:

(f o g)(x)

= f[g(x)]

= f(3x + 7)

= 5(3x + 7) - 4

= 15x + 31.

When (f o g)(k) = 7, 15k + 31 = 7.

=> 15k = -24, k = -8/5 = -1.6.

Answer Link

Otras preguntas

You have a bowl filled with 100 balls, which are colored red or blue. you have 50 red and 50 blue balls. you randomly select a ball and throw it out (don't put

In Group Meeting, McMurphy dominates by telling a dream about his father being in a ____________ that ended with a broken jaw that caused him to look like Frank

In which of the following regions was Athens located? A)Laconia B)Europe C)Greece D)Attica

When several of the same species live and interact with other species in an ecosystem it is called a?

Which relations are functions? Select Yes or No for each relation: Relations (2, 2), (3, 3), (4, 4), (5, 5) (1, 2), (1, 3), (1, 4), (1, 5) (2, 1), (3, 1), (4, 1

In what layer are convection currents found? A.continental crust B.inner core C.asthenosphere D.oceanic crust

Pilgrims were also called________________because of their desire to pursue religious freedom.

Using what you know about renal handling of na+, predict the renal clearance of na+.

The function b(t)=50(1.4)^t represents the number of bacteria t hours after Dr. Silas begins her study. How many bacteria would there be 5 hours after Dr. Silas

Calculate the average rate of change for the function f(x) = x4 + 3x3 − 5x2 + 2x − 2, from x = −1 to x = 1.