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
ratelena [41]
3 years ago
10

Evaluate f(x) = -2x² -4 for x=3 A. -10 B. 10 C. -18 D. -22

Mathematics
2 answers:
kenny6666 [7]3 years ago
8 0
f(x) = -2x^2-4 \\ f(x) = -2(3)^2-4 [tex][plug in 3 into your x value][tex]\\ f(x)=-18-4[tex] [3 squared equals 9. Now multiply 9*(-2) = -18[tex]\\ f(x)=-22 [ -18-4]
andrew-mc [135]3 years ago
3 0
F(x) = - 2 x² - 4 for x = 3

f(3) = - 2*3² - 4

f(3) = -2*9 - 4

f(3) = -18 -4

f(3) = -22

Answer D

hope this helps!
You might be interested in
Madilyn and Penelope have 28 toys to build. Madilyn builds 3/4 of the toys, while Penelope builds 1/7. How many toys are there l
uysha [10]

Answer:

Step-by-step explanation:

3/4 x 28=21   Madilyn built 21 toys.

1/7 x 28=4     Penelope built 4 toys.

21+4=25        25 toys have been built altogether.

28-25=3

There are 3 toys left to build.

3 0
3 years ago
Help me plzzzzzzz plzzzzz
V125BC [204]

Answer:

3/2

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
What is an equivalent expression for 65 ÷ 63.
GREYUIT [131]

Answer:

The equivalent expression is 65/63

3 0
3 years ago
Read 2 more answers
A set of data is normally distributed with a mean of 75 and a standard deviation of 3. What percent of the data is in the
lord [1]

Answer:

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP THIS IS MATH 171 the topic is partial fraction decomposition
mars1129 [50]

What do you mean? Where is the question?

8 0
2 years ago
Other questions:
  • Describe how making a list can help you solve a math problem.Write a problem that can be solved by making a list
    12·2 answers
  • Last year, Nick rode his bicycle a total of 8000 miles. To the
    10·1 answer
  • What is <br> -3 1/6+ 6 2/3
    5·1 answer
  • The container that holds the water for the football team is 4/9 full. After pouring in 4
    13·1 answer
  • What is the greatest common factor of the expression 12x^+18x^2
    10·2 answers
  • Peirce swims 10 laps in a pool in 8 minutes how much time does it take him to swim 1 lap
    13·1 answer
  • Please answer the question in the picture please its urgent 200 pts plus brainly!!!!
    8·1 answer
  • Luna is 12 blocks from school and walk towards the concert at an average speec of 2 blocks per minute. select the equation that
    11·1 answer
  • What does the discriminant determine?
    9·2 answers
  • Two airplanes left the same airport and arrived at the same destination at the same time. The first airplane left at 8:00 a.m. a
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!