jamaribrowning16
jamaribrowning16 jamaribrowning16
  • 16-12-2021
  • Mathematics
contestada

if f(x)=3x^2-2x+5, find f(-2)

a) -27
b) -11
c) -3
d) 21

Respuesta :

jcherry99
jcherry99 jcherry99
  • 18-12-2021

Answer:

D

Step-by-step explanation:

f(x) = 3x^2 - 2x + 5

f(-2) means that wherever you see an x on the right, you put in the value of -2 for the x.

f(-2) = 3(-2)^2 - 2(-2) + 5

f(-2) = 3(4) + 4 + 5

f(-2) = 12 + 9

f(-2) = 21

The answer is D

Answer Link

Otras preguntas

What is the role of phospholipids and proteins in controlling the passage of substances across the cell surface membrane, making reference to its partially perm
what is 5×4+6+7÷4-15+30
What is a major difference between formal and informal economic sectors?
A laissez faire economic policy would _____. a. alter the business cycle b. allow the economy to fix itself c. decrease the money supply quickly d. increase t
What multiplies to 42 and adds to 10
The powers of the Necessary and Proper clause are: a. expressed c. judicial b. implied d. executive
The first person to use the term "atom" was _____. Dalton Democritus Aristotle the Egyptians
What's substitution for y=4x-1;y=2x-5
In an experiment to test a new drug’s effectiveness, one group is given a larger dosage than is typically prescribed, and a second group is given a smaller dosa
What part of speech is the word "one" as in, "I have one dog."?