1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Doss [256]
3 years ago
5

Given f(x) = -2x^2 + 4, determine the slope of the secant line over the interval [-1, 2].

Mathematics
1 answer:
Inga [223]3 years ago
8 0

Answer:  -2

Step-by-step explanation:

We know that the slope of a secant line over a interval [a,b] is given by :-

m=\dfrac{f(b)-f(a)}{b-a}

Given f(x) =-2x^2 + 4

Then, the slope of the secant line over the interval [-1, 2] is given by :-

m=\dfrac{f(2)-f(-1)}{2-(-1)}\\\\=\dfrac{(-2(2)^2+4)-(-2(-1)^2+4)}{2+1}\\\\=\dfrac{(-2(4)+4)-(-2(1)+4)}{3}\\\\=\dfrac{(-8+4)-(-2+4)}{3}\\\\=\dfrac{-4-2}{3}\\\\=\dfrac{-6}{3}\\\\=-1

Hence, the slope of the secant line over the interval [-1, 2] is<u> -2</u>.

You might be interested in
rod is hosting a dinner for all his friends in Edmonton. he has hired a company to cater for him, charging $150 plus $13 for eve
katrin2010 [14]
You didn’t ask a question.
7 0
3 years ago
What is the slope intercept of this equation 6x+4x=8
zlopas [31]

Answer:

Because there is no y value, this line would not have a slope.

Step-by-step explanation:

In order for a line to have a slope, there must be 2 variables in the equation.

6 0
3 years ago
Question #45 plz all answers will help
Veseljchak [2.6K]
To solve this, you can use this equation:

1530 ÷ 15 = x

Find x.
6 0
3 years ago
Please help me with the article help please help me
Anvisha [2.4K]

Answer:

I think it's like this

Article -6

Description: coffee........ gunguli .

who is interested in statistics?

-karen riche at the French National institute of medical research ,whose work appears in journal neurology

who is the audience?

-7000 men's and women's in the three french cities.

what kind of decision one should make after reading this article?

reading the above article I came to acknowledge that women are only benefited as they don't metabolizes coffee in same way as men.so men should take more care and control over their coffee consumption than women.

Description: coffee........ gunguli

(in here write whole sentence I just did in short cut)

8 0
3 years ago
I need help fast hurry up
suter [353]
It is B my friend...
8 0
3 years ago
Read 2 more answers
Other questions:
  • What is this question for math 2/12+1/3
    10·2 answers
  • Liam has about pounds of steak remaining after the cookout
    6·1 answer
  • I need help with my exit ticket
    6·2 answers
  • Please help me right away and you will get 12 points I need it done today so plz help me
    6·1 answer
  • PLEASE help me what’s the answers!!!!???
    14·1 answer
  • Compute the average value of the following function over the region R. f(x,y) = 7 sin x cos y R= { (x,y): 0 leq x leq pi/2, 0 le
    10·1 answer
  • How to simply the radical
    5·1 answer
  • There is a high-speed rail track between London and Manchester.
    10·2 answers
  • The distance , d, a train travels in miles depends on the hours, h. The equation shows this relationship, d=120h. How many miles
    11·1 answer
  • A function is represented by the graph.
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!