bobjohnbobjohn123 bobjohnbobjohn123

21-10-2016
Mathematics

contestada

Let f(x) = x2 − 81. Find f−1(x)

Respuesta :

21-10-2016

This equation states that x equals -1. So you plug in -1 to all the x's and solve.
So, your equation would be f(-1) = (-1)(2) - 81
So, f(-1) = -2 - 81
Then, this means that f(-1) = -83
So........
f(-1) is equal to -83

Answer Link

Otras preguntas

Describe at least two experiments, including the observed results, that caused the scientific community to accept changes to Dalton's original model of the atom

How many numbers are divisible by 10 from 5 to 200?

Calculate 40^13 (mod85)

Pete is saving up for a bike and knows he'll need to spend at least $220 to get the one he wants. He saves $45 each month. How long will he need to save before

How did the last Ice Age affect Paleolithic people?

Read the excerpt from Chapter 3 of Wheels of Change . Driven by a desire for comfort and physical well-being, several groups of women introduced alternative ap

Why did the war in vietnam result in such widespread opposition? points to consider include?

why postulates are helpful?

In the ordered pair (4,-5) which number is the y-coordinate

A select individual from japanese feudal society, who was a warrior and was given land by the wealthy in exchange for protection, was known as a