williamp0514 williamp0514
  • 16-01-2021
  • Mathematics
contestada

If f ( x ) = 3 - i and g ( x ) = 4i,

find f ( x ) g ( x )
Select one:
a. 12i + 3i
b. 11
c. 4i - 3i
d. 4 + 12i

Respuesta :

manissaha129
manissaha129 manissaha129
  • 16-01-2021

Answer:

[tex]f(x)g(x) = (3 - i)(4i) \\ = 12i - 4 {i}^{2} \\ = \boxed{12i + 4 }\\ remember \:the \: value \: of \: {i}\: is \: \sqrt{ - 1} \\ and \: {i}^{2} \: is - 1 \\ d. (4 + 12i)\: is \: the \: right \: answer.[/tex]

Answer Link

Otras preguntas

Solve the following equation on the interval [0,2 \pi) Cot(3x)=\sqrt{3}
how can you solve -2y+5y=14
What key has f# , c# and g# :)
How to describe a tiger with adjectives adverbs and similes.
2a=8 A+b=2 Substitution method
What is the sum of the two digit multiples of 11?
Which sentence has a misplaced adjective phrase? A. The first president of the United States was George Washington. B. Our drive to Alabama was long. C. The
• prehistoric Indian civilizations created them • made of dirt by hundreds of workers • used for different purposes, like burying the dead or building sites for
what is the answer to 17/18-2/3=?
. How did feudalism offer a stable political system for Europe? Feudal serfs were reliable workers because they practiced a single skill. Feudal farms could fee