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 ( 78+ )
Otras preguntas
Help me please. I don't understand this.
A birdhouse is nailed into the trunk of a tree 5 feet up from the ground. if the tree grows 2 feet taller each year, where will the birdhouse be 25 years later?
Similarities between floodplains, deltas , and alluvial fans
What was the Great Compromise of 1787? What did it do to Congress?
What point might bierce be making about heroism, the realities of war, the dangers of fantasy?
I do not get this question
A reflection is a transformation that maps point A in a figure over a line, XY←→ , such that for point P at the intersection of XY←→ and AA′¯¯¯¯¯¯ , ____ and __
Marc ordered a rug he gave a deposit of 30% of the cost and will pay the rest when the rug is delivered if the deposit was $75 how much more does he owe?
What type of injury would most likely result from a sudden blow to the body? acute strain grade II sprain chronic strain grade III sprain
A comparison of labor cost based on hourly wages is a reasonable guide to a need to protect domestic jobs. a. True b. False
