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
rodikova [14]
2 years ago
9

F(x) = x² + 3 Find f(-2)

Mathematics
1 answer:
Svetradugi [14.3K]2 years ago
6 0

Answer:

7

Step-by-step explanation:

f(-2)=(-2)^2+3=4+3=7

You might be interested in
The larger of two numbers is 10 less than twice the smaller number. if the sum of the two numbers is 38, find the two nubers
cupoosta [38]

Since there is no equation for this, just plug in numbers and find the numbers that work. After plugging in a couple of numbers, I found that 16*2-10=22, and 16+22=38. Therefor, the answers are 16 and 38.

5 0
3 years ago
Using the order of operations, what should be done first to evaluate (-2)³ + 4 ÷ (-15 + 9)(3) - 4?
Slav-nsk [51]

Answer:

use BODMAS

brackets

of

division

multiplication

addition

subtraction

or Americans would use BEDMAS I think

so it'll be 8 + 4 ÷ (-24) × (3) - 4 = 35

u can break the brackets down further

5 0
3 years ago
A movie theater buys popcorn kernals for $5.88 per pound. (A) Which equation shows the cost of popcorn kernals? (B) what is the
inessss [21]

Answer:

Given that the manager of Theatre A says that they usually go through about 15 cups of popcorn kernels and about 5 cups of oil each weeknight.

Then, the ratio value of oil to popcorn kernels for theatre A is 5 / 15 = 1 / 5.

Given that the manager of Theatre B says that they order 18 cups of oil and 72 cups of popcorn kernels each week.

Then, the ratio value of oil to popcorn kernels for theatre B is 18 / 72 = 1 / 4.

Given that the manager of Theatre C says that their concessions use 6 cups of oil and 32 cups of popcorn kernels on a busy Saturday.

Then, the ratio value of oil to popcorn kernels for theatre C is 6 / 32 = 3 / 16.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
You randomly call 3,000 people across the nation and record the monthly rent or mortgage payment. How does finding the mean of t
marusya05 [52]

Answer:

The correct answer is "Investigating the mean of the sample is the same as investigating the sampling distribution of the mean"

Step-by-step explanation:

For sampling distribution of the mean, if the size of population is n, and its mean is μ  and the population standard deviation is σ, then the mean of all sample means also becomes equal to the population mean μ but for that the samples are taken randomly from the given population


5 0
3 years ago
Read 2 more answers
5 time 5 to the power of 2 simplified
Maksim231197 [3]
Im not sure wym but i think the answer is 20
3 0
3 years ago
Read 2 more answers
Other questions:
  • - x / 3 = 6 ( solving linear equations )
    13·2 answers
  • A first number plus twice a second number is 24. twice the first number plus the second totals 21. find the numbers.
    7·1 answer
  • Find the value of x. Round to the nearest degree.
    12·2 answers
  • Consider functions f and g below.
    10·2 answers
  • FABRIC Jordan wants to measure a length of fabric, but the only tape measure she has is damaged. The first number on her tape me
    9·1 answer
  • Evaluate 5z − xy when x= 5, y= 6, and z=11
    14·1 answer
  • Mark's brother is 5 years older than mark their combined ages add up to 23 how old is my make sure you have expression for Mark
    15·1 answer
  • Có 1 quả táo mẹ cho thêm 10 quả hỏi có mấy quả
    8·1 answer
  • in the circle, an arc length 8pi cm is intercepted by acentral angle of 2pi/3 radians. what is the radius of the circle
    5·1 answer
  • Solve the inequality -2z - 3 ≤ 5.
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!