Gee1111
Gee1111
11-03-2017
Mathematics
contestada
If f(x) = x^2 + 9x, find f(a - 4)
Respuesta :
sdmatera
sdmatera
11-03-2017
To solve this, you plug a-4 in wherever you see an x
f(a-4)=(a-4)(a-4)+9(a-4)
Then you distribute to simplify
=a^2-4a-4a+16+9a-36
=a^2+a-20
Hope this helps
Answer Link
VER TODAS LAS RESPUESTAS ( 52+ )
Otras preguntas
Samantha works at an arcade parlor. She has noticed that, although the arcade is full during peak hours, half the game machines are unoccupied during non-peak h
How do you use an exponent to represent a number such as 16
What force is most responsible for the formation of galaxies? (3 points) electricity magnetism solar winds gravity
sam watched 6 times as many hours of tv over the weekend as Dan. Together they watchd 14 hours of tv. How many hours did each watch
which of the following is a reason the human population is growing exponentially? A. Earth has many "no growth" societies. B. Earth is non-sustainable. C. Earth
Homes in the Dominican Republic are typically made of ______________.
Por donde se extienden los andes?
Nebulas are birthplaces for new stars. True False
Which of these individuals was the link between Toynbee Hall in England and the establishment of the Hull-House? Theodore Roosevelt Grover Cleveland Jacob
Ballistic stretching is dangerous and should NOT be performed. Please select the best answer from the choices provided. T F
