Gee1111 Gee1111
  • 11-03-2017
  • Mathematics
contestada

If f(x) = x^2 + 9x, find f(a - 4)

Respuesta :

sdmatera
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

Otras preguntas

What is 90 divided by 30
Use the percent proportion to solve each problem Round to the nearest tenth 37 is what percent of 58? 30 is 75% of what number
a student performed an experiment by placing the de-shelled egg in a concentrated salt solution for five minutes .what changes did he observed in the egg? give
7/9=b/b-10 please help!!
Write a terminating decimal with 27 hits in 120 times a bat
change 196% to a whole number
Help me solve for U please help
Why does convection occur only in fluids?
-20=-4x-6x How Do I Solve This Equation ?
Suppose that x and y are related by the equation 2x^2-y^2=5 and use implicit differentation to determine dy/dx.