tykayshagatewood tykayshagatewood

17-02-2020
Mathematics

contestada

Siven that f(x)=x2 - 7 and g(x)= 4 - x, find (f - g)(1), if it exists.

Respuesta :

jimrgrant1 jimrgrant1

17-02-2020

Answer:

- 9

Step-by-step explanation:

Note that (f - g)(x) = f(x) - g(x)

f(x) - g(x)

= x² - 7 - (4 - x)

= x² - 7 - 4 + x

= x² + x - 11

Thus

(f - g)(1) ← substitute x = 1 into (f - g)(x)

= 1² + 1 - 11

= 1 + 1 - 11

= - 9

Answer Link

Otras preguntas

D’Quan’s grandmother made a quilt for his bed. The quilt is 2.44 meters long and 1.83 meters wide. What is the area of the quilt in square feet?

what is 4.25% as a decimal

where does the energy that produces ocean waves comes from

where did portugal and spain claim land in the western hemisphere?

Name four important river civilization of the ancient world

what is 5 divided by 535 long divison

Which answers are examples of inductive reasoning? Choose all answers that are correct. (Points : 1) Peaches cost $0.95/lb at the local store. Sue is g

What are the coordinates for the outlier in the data? ( __ , __)

What number is 24% of 75

a rate that describes how much smaller or larger the scale drawing is than the real object