starpixie15 starpixie15
  • 14-04-2021
  • Mathematics
contestada

If f(x)= 9x^2+2x-3, find f(-1).

Respuesta :

lordlizard98 lordlizard98
  • 14-04-2021

Answer:

f(-1)= 4

Step-by-step explanation:

Just plug -1 into all Xs

and split it into 2 seperate problems for the time being

[9 times (-1)^2] + [2(-1)-3]

-1 squared is positive 1  times the 9 is just 9

Plus  2 times -1 is -2 minus 3 is -5

combine the two seperate problems you have

9-5 the subtract and

f(-1)= 4

Answer Link

Otras preguntas

match the words with the sentence parts on the right for this sentence the kids built a great snowman
Emma and her family are saving for college. The first year will cost $18,500. She received a scholarship for $3,000 and her parents will contribute 70% of the r
How were scientists able to study the center of the Earth
WILL BRAINLISTHow did the economies of the Iroquois and Algonquin tribes differ?The Iroquois traded with other tribes, while the Algonquin did not.The Iroquois
The 15 tectonic plates are rigid in the center and have geological activity at the boundaries (edges). This means that:
Which expression is equivalent to(2^3)^-5
which multiplication expression is equal to 1/4 divided 1/3​
The shape above has the following coordinates: A 44.-1) B. -8.-1) C -9.-10) Rotate the shape 90" counterclockwise
QUESTION 4 1/2x + 5= 10 What's x?
Hurry! brainliest if right​